Home / 69,548.85-95,979.15-39,332.72

Finding the Fourth Proportional to 69,548.85, 95,979.15 and 39,332.72

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Solution

The fourth proportional to 69,548.85, 95,979.15 and 39,332.72 is: 54,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,548.85 : 95,979.15 = 39,332.72 : x
  2. Step 2: Convert to fraction form
    69,548.85/95,979.15 = 39,332.72/x
  3. Step 3: Cross multiply
    69,548.85x = 95,979.15 × 39,332.72
  4. Step 4: Simplify right side
    69,548.85x = 3,775,121,272.74
  5. Step 5: Solve for x
    x = 3,775,121,272.74/69,548.85
  6. Step 6: Final answer
    x = 54,280.14

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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.