Home / 39,779.73-59,666.42-23,129.15

Finding the Fourth Proportional to 39,779.73, 59,666.42 and 23,129.15

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Solution

The fourth proportional to 39,779.73, 59,666.42 and 23,129.15 is: 34,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779.73 : 59,666.42 = 23,129.15 : x
  2. Step 2: Convert to fraction form
    39,779.73/59,666.42 = 23,129.15/x
  3. Step 3: Cross multiply
    39,779.73x = 59,666.42 × 23,129.15
  4. Step 4: Simplify right side
    39,779.73x = 1,380,033,337.63
  5. Step 5: Solve for x
    x = 1,380,033,337.63/39,779.73
  6. Step 6: Final answer
    x = 34,691.87

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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.