Home / 39,695.15-59,539.05-13,400.12

Finding the Fourth Proportional to 39,695.15, 59,539.05 and 13,400.12

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Solution

The fourth proportional to 39,695.15, 59,539.05 and 13,400.12 is: 20,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,695.15 : 59,539.05 = 13,400.12 : x
  2. Step 2: Convert to fraction form
    39,695.15/59,539.05 = 13,400.12/x
  3. Step 3: Cross multiply
    39,695.15x = 59,539.05 × 13,400.12
  4. Step 4: Simplify right side
    39,695.15x = 797,830,116.99
  5. Step 5: Solve for x
    x = 797,830,116.99/39,695.15
  6. Step 6: Final answer
    x = 20,098.93

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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.