Home / 38,348.52-52,920.92-21,581.88

Finding the Fourth Proportional to 38,348.52, 52,920.92 and 21,581.88

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Solution

The fourth proportional to 38,348.52, 52,920.92 and 21,581.88 is: 29,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,348.52 : 52,920.92 = 21,581.88 : x
  2. Step 2: Convert to fraction form
    38,348.52/52,920.92 = 21,581.88/x
  3. Step 3: Cross multiply
    38,348.52x = 52,920.92 × 21,581.88
  4. Step 4: Simplify right side
    38,348.52x = 1,142,132,944.93
  5. Step 5: Solve for x
    x = 1,142,132,944.93/38,348.52
  6. Step 6: Final answer
    x = 29,782.97

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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.