Home / 40,727.54-61,100.87-12,646.14

Finding the Fourth Proportional to 40,727.54, 61,100.87 and 12,646.14

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Solution

The fourth proportional to 40,727.54, 61,100.87 and 12,646.14 is: 18,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,727.54 : 61,100.87 = 12,646.14 : x
  2. Step 2: Convert to fraction form
    40,727.54/61,100.87 = 12,646.14/x
  3. Step 3: Cross multiply
    40,727.54x = 61,100.87 × 12,646.14
  4. Step 4: Simplify right side
    40,727.54x = 772,690,092.91
  5. Step 5: Solve for x
    x = 772,690,092.91/40,727.54
  6. Step 6: Final answer
    x = 18,972.18

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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.