Home / 57,239.19-85,864.23-17,785.71

Finding the Fourth Proportional to 57,239.19, 85,864.23 and 17,785.71

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Solution

The fourth proportional to 57,239.19, 85,864.23 and 17,785.71 is: 26,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239.19 : 85,864.23 = 17,785.71 : x
  2. Step 2: Convert to fraction form
    57,239.19/85,864.23 = 17,785.71/x
  3. Step 3: Cross multiply
    57,239.19x = 85,864.23 × 17,785.71
  4. Step 4: Simplify right side
    57,239.19x = 1,527,156,294.15
  5. Step 5: Solve for x
    x = 1,527,156,294.15/57,239.19
  6. Step 6: Final answer
    x = 26,680.26

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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.