Home / 38,353.55-52,915.20-22,426.73

Finding the Fourth Proportional to 38,353.55, 52,915.20 and 22,426.73

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Solution

The fourth proportional to 38,353.55, 52,915.20 and 22,426.73 is: 30,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,353.55 : 52,915.20 = 22,426.73 : x
  2. Step 2: Convert to fraction form
    38,353.55/52,915.20 = 22,426.73/x
  3. Step 3: Cross multiply
    38,353.55x = 52,915.20 × 22,426.73
  4. Step 4: Simplify right side
    38,353.55x = 1,186,714,638.72
  5. Step 5: Solve for x
    x = 1,186,714,638.72/38,353.55
  6. Step 6: Final answer
    x = 30,941.46

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Half scale
Find fourth proportional to 76,707.09, 105,830.40 and 44,853.45
Double scale
Find fourth proportional to 38,354.55, 52,916.58 and 22,427.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.