Home / 48,286.62-72,398.76-20,199.06

Finding the Fourth Proportional to 48,286.62, 72,398.76 and 20,199.06

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Solution

The fourth proportional to 48,286.62, 72,398.76 and 20,199.06 is: 30,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,286.62 : 72,398.76 = 20,199.06 : x
  2. Step 2: Convert to fraction form
    48,286.62/72,398.76 = 20,199.06/x
  3. Step 3: Cross multiply
    48,286.62x = 72,398.76 × 20,199.06
  4. Step 4: Simplify right side
    48,286.62x = 1,462,386,897.17
  5. Step 5: Solve for x
    x = 1,462,386,897.17/48,286.62
  6. Step 6: Final answer
    x = 30,285.55

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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.