Home / 54,931.78-82,397.66-25,340.86

Finding the Fourth Proportional to 54,931.78, 82,397.66 and 25,340.86

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Solution

The fourth proportional to 54,931.78, 82,397.66 and 25,340.86 is: 38,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.78 : 82,397.66 = 25,340.86 : x
  2. Step 2: Convert to fraction form
    54,931.78/82,397.66 = 25,340.86/x
  3. Step 3: Cross multiply
    54,931.78x = 82,397.66 × 25,340.86
  4. Step 4: Simplify right side
    54,931.78x = 2,088,027,566.39
  5. Step 5: Solve for x
    x = 2,088,027,566.39/54,931.78
  6. Step 6: Final answer
    x = 38,011.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.