Home / 54,463.60-75,159.78-30,589.66

Finding the Fourth Proportional to 54,463.60, 75,159.78 and 30,589.66

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Solution

The fourth proportional to 54,463.60, 75,159.78 and 30,589.66 is: 42,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,463.60 : 75,159.78 = 30,589.66 : x
  2. Step 2: Convert to fraction form
    54,463.60/75,159.78 = 30,589.66/x
  3. Step 3: Cross multiply
    54,463.60x = 75,159.78 × 30,589.66
  4. Step 4: Simplify right side
    54,463.60x = 2,299,112,115.87
  5. Step 5: Solve for x
    x = 2,299,112,115.87/54,463.60
  6. Step 6: Final answer
    x = 42,213.74

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1.5x scale

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.