Home / 38,196.40-57,306.60-18,475.60

Finding the Fourth Proportional to 38,196.40, 57,306.60 and 18,475.60

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Solution

The fourth proportional to 38,196.40, 57,306.60 and 18,475.60 is: 27,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.40 : 57,306.60 = 18,475.60 : x
  2. Step 2: Convert to fraction form
    38,196.40/57,306.60 = 18,475.60/x
  3. Step 3: Cross multiply
    38,196.40x = 57,306.60 × 18,475.60
  4. Step 4: Simplify right side
    38,196.40x = 1,058,773,818.96
  5. Step 5: Solve for x
    x = 1,058,773,818.96/38,196.40
  6. Step 6: Final answer
    x = 27,719.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.