Home / 56,264.83-77,642.33-30,766.14

Finding the Fourth Proportional to 56,264.83, 77,642.33 and 30,766.14

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Solution

The fourth proportional to 56,264.83, 77,642.33 and 30,766.14 is: 42,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,264.83 : 77,642.33 = 30,766.14 : x
  2. Step 2: Convert to fraction form
    56,264.83/77,642.33 = 30,766.14/x
  3. Step 3: Cross multiply
    56,264.83x = 77,642.33 × 30,766.14
  4. Step 4: Simplify right side
    56,264.83x = 2,388,754,252.66
  5. Step 5: Solve for x
    x = 2,388,754,252.66/56,264.83
  6. Step 6: Final answer
    x = 42,455.55

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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.