Home / 38,306.16-57,340.44-20,732.40

Finding the Fourth Proportional to 38,306.16, 57,340.44 and 20,732.40

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Solution

The fourth proportional to 38,306.16, 57,340.44 and 20,732.40 is: 31,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.16 : 57,340.44 = 20,732.40 : x
  2. Step 2: Convert to fraction form
    38,306.16/57,340.44 = 20,732.40/x
  3. Step 3: Cross multiply
    38,306.16x = 57,340.44 × 20,732.40
  4. Step 4: Simplify right side
    38,306.16x = 1,188,804,938.26
  5. Step 5: Solve for x
    x = 1,188,804,938.26/38,306.16
  6. Step 6: Final answer
    x = 31,034.30

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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.