Home / 20,023.38-30,039.12-5,983.74

Finding the Fourth Proportional to 20,023.38, 30,039.12 and 5,983.74

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Solution

The fourth proportional to 20,023.38, 30,039.12 and 5,983.74 is: 8,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.38 : 30,039.12 = 5,983.74 : x
  2. Step 2: Convert to fraction form
    20,023.38/30,039.12 = 5,983.74/x
  3. Step 3: Cross multiply
    20,023.38x = 30,039.12 × 5,983.74
  4. Step 4: Simplify right side
    20,023.38x = 179,746,283.91
  5. Step 5: Solve for x
    x = 179,746,283.91/20,023.38
  6. Step 6: Final answer
    x = 8,976.82

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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.