Home / 56,251.20-77,627.78-30,759.16

Finding the Fourth Proportional to 56,251.20, 77,627.78 and 30,759.16

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Solution

The fourth proportional to 56,251.20, 77,627.78 and 30,759.16 is: 42,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,251.20 : 77,627.78 = 30,759.16 : x
  2. Step 2: Convert to fraction form
    56,251.20/77,627.78 = 30,759.16/x
  3. Step 3: Cross multiply
    56,251.20x = 77,627.78 × 30,759.16
  4. Step 4: Simplify right side
    56,251.20x = 2,387,764,763.53
  5. Step 5: Solve for x
    x = 2,387,764,763.53/56,251.20
  6. Step 6: Final answer
    x = 42,448.25

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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.