Home / 38,981.90-58,373.22-21,432.44

Finding the Fourth Proportional to 38,981.90, 58,373.22 and 21,432.44

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Solution

The fourth proportional to 38,981.90, 58,373.22 and 21,432.44 is: 32,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.90 : 58,373.22 = 21,432.44 : x
  2. Step 2: Convert to fraction form
    38,981.90/58,373.22 = 21,432.44/x
  3. Step 3: Cross multiply
    38,981.90x = 58,373.22 × 21,432.44
  4. Step 4: Simplify right side
    38,981.90x = 1,251,080,535.26
  5. Step 5: Solve for x
    x = 1,251,080,535.26/38,981.90
  6. Step 6: Final answer
    x = 32,093.88

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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.