Home / 56,350.38-77,765.95-31,199.88

Finding the Fourth Proportional to 56,350.38, 77,765.95 and 31,199.88

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Solution

The fourth proportional to 56,350.38, 77,765.95 and 31,199.88 is: 43,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350.38 : 77,765.95 = 31,199.88 : x
  2. Step 2: Convert to fraction form
    56,350.38/77,765.95 = 31,199.88/x
  3. Step 3: Cross multiply
    56,350.38x = 77,765.95 × 31,199.88
  4. Step 4: Simplify right side
    56,350.38x = 2,426,287,841.26
  5. Step 5: Solve for x
    x = 2,426,287,841.26/56,350.38
  6. Step 6: Final answer
    x = 43,057.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.