Home / 42,727.38-58,876.11-38,470.02

Finding the Fourth Proportional to 42,727.38, 58,876.11 and 38,470.02

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Solution

The fourth proportional to 42,727.38, 58,876.11 and 38,470.02 is: 53,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,727.38 : 58,876.11 = 38,470.02 : x
  2. Step 2: Convert to fraction form
    42,727.38/58,876.11 = 38,470.02/x
  3. Step 3: Cross multiply
    42,727.38x = 58,876.11 × 38,470.02
  4. Step 4: Simplify right side
    42,727.38x = 2,264,965,129.22
  5. Step 5: Solve for x
    x = 2,264,965,129.22/42,727.38
  6. Step 6: Final answer
    x = 53,009.69

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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.