Home / 42,279.48-58,319.28-27,191.79

Finding the Fourth Proportional to 42,279.48, 58,319.28 and 27,191.79

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Solution

The fourth proportional to 42,279.48, 58,319.28 and 27,191.79 is: 37,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279.48 : 58,319.28 = 27,191.79 : x
  2. Step 2: Convert to fraction form
    42,279.48/58,319.28 = 27,191.79/x
  3. Step 3: Cross multiply
    42,279.48x = 58,319.28 × 27,191.79
  4. Step 4: Simplify right side
    42,279.48x = 1,585,805,614.71
  5. Step 5: Solve for x
    x = 1,585,805,614.71/42,279.48
  6. Step 6: Final answer
    x = 37,507.69

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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.