Home / 37,691.82-56,539.41-12,729.66

Finding the Fourth Proportional to 37,691.82, 56,539.41 and 12,729.66

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Solution

The fourth proportional to 37,691.82, 56,539.41 and 12,729.66 is: 19,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,691.82 : 56,539.41 = 12,729.66 : x
  2. Step 2: Convert to fraction form
    37,691.82/56,539.41 = 12,729.66/x
  3. Step 3: Cross multiply
    37,691.82x = 56,539.41 × 12,729.66
  4. Step 4: Simplify right side
    37,691.82x = 719,727,465.90
  5. Step 5: Solve for x
    x = 719,727,465.90/37,691.82
  6. Step 6: Final answer
    x = 19,095.06

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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.