Home / 37,438-56,166.28-11,142.68

Finding the Fourth Proportional to 37,438, 56,166.28 and 11,142.68

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Solution

The fourth proportional to 37,438, 56,166.28 and 11,142.68 is: 16,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438 : 56,166.28 = 11,142.68 : x
  2. Step 2: Convert to fraction form
    37,438/56,166.28 = 11,142.68/x
  3. Step 3: Cross multiply
    37,438x = 56,166.28 × 11,142.68
  4. Step 4: Simplify right side
    37,438x = 625,842,884.83
  5. Step 5: Solve for x
    x = 625,842,884.83/37,438
  6. Step 6: Final answer
    x = 16,716.78

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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.