Home / 62,456.03-86,165.12-39,790.96

Finding the Fourth Proportional to 62,456.03, 86,165.12 and 39,790.96

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Solution

The fourth proportional to 62,456.03, 86,165.12 and 39,790.96 is: 54,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,456.03 : 86,165.12 = 39,790.96 : x
  2. Step 2: Convert to fraction form
    62,456.03/86,165.12 = 39,790.96/x
  3. Step 3: Cross multiply
    62,456.03x = 86,165.12 × 39,790.96
  4. Step 4: Simplify right side
    62,456.03x = 3,428,592,988.23
  5. Step 5: Solve for x
    x = 3,428,592,988.23/62,456.03
  6. Step 6: Final answer
    x = 54,896.11

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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.