Home / 56,299.01-77,691.44-30,805.28

Finding the Fourth Proportional to 56,299.01, 77,691.44 and 30,805.28

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Solution

The fourth proportional to 56,299.01, 77,691.44 and 30,805.28 is: 42,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,299.01 : 77,691.44 = 30,805.28 : x
  2. Step 2: Convert to fraction form
    56,299.01/77,691.44 = 30,805.28/x
  3. Step 3: Cross multiply
    56,299.01x = 77,691.44 × 30,805.28
  4. Step 4: Simplify right side
    56,299.01x = 2,393,306,020.32
  5. Step 5: Solve for x
    x = 2,393,306,020.32/56,299.01
  6. Step 6: Final answer
    x = 42,510.62

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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.