Home / 48,347.20-72,532.40-20,251.68

Finding the Fourth Proportional to 48,347.20, 72,532.40 and 20,251.68

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Solution

The fourth proportional to 48,347.20, 72,532.40 and 20,251.68 is: 30,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347.20 : 72,532.40 = 20,251.68 : x
  2. Step 2: Convert to fraction form
    48,347.20/72,532.40 = 20,251.68/x
  3. Step 3: Cross multiply
    48,347.20x = 72,532.40 × 20,251.68
  4. Step 4: Simplify right side
    48,347.20x = 1,468,902,954.43
  5. Step 5: Solve for x
    x = 1,468,902,954.43/48,347.20
  6. Step 6: Final answer
    x = 30,382.38

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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.