Home / 38,695.20-58,010.40-20,227.20

Finding the Fourth Proportional to 38,695.20, 58,010.40 and 20,227.20

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Solution

The fourth proportional to 38,695.20, 58,010.40 and 20,227.20 is: 30,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.20 : 58,010.40 = 20,227.20 : x
  2. Step 2: Convert to fraction form
    38,695.20/58,010.40 = 20,227.20/x
  3. Step 3: Cross multiply
    38,695.20x = 58,010.40 × 20,227.20
  4. Step 4: Simplify right side
    38,695.20x = 1,173,387,962.88
  5. Step 5: Solve for x
    x = 1,173,387,962.88/38,695.20
  6. Step 6: Final answer
    x = 30,323.86

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1.5x scale

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.