Home / 62,419.91-93,610.42-20,857.19

Finding the Fourth Proportional to 62,419.91, 93,610.42 and 20,857.19

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Solution

The fourth proportional to 62,419.91, 93,610.42 and 20,857.19 is: 31,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,419.91 : 93,610.42 = 20,857.19 : x
  2. Step 2: Convert to fraction form
    62,419.91/93,610.42 = 20,857.19/x
  3. Step 3: Cross multiply
    62,419.91x = 93,610.42 × 20,857.19
  4. Step 4: Simplify right side
    62,419.91x = 1,952,450,315.92
  5. Step 5: Solve for x
    x = 1,952,450,315.92/62,419.91
  6. Step 6: Final answer
    x = 31,279.29

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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.