Home / 38,915.21-53,699.35-22,996.62

Finding the Fourth Proportional to 38,915.21, 53,699.35 and 22,996.62

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Solution

The fourth proportional to 38,915.21, 53,699.35 and 22,996.62 is: 31,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,915.21 : 53,699.35 = 22,996.62 : x
  2. Step 2: Convert to fraction form
    38,915.21/53,699.35 = 22,996.62/x
  3. Step 3: Cross multiply
    38,915.21x = 53,699.35 × 22,996.62
  4. Step 4: Simplify right side
    38,915.21x = 1,234,903,546.20
  5. Step 5: Solve for x
    x = 1,234,903,546.20/38,915.21
  6. Step 6: Final answer
    x = 31,733.18

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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.