Home / 48,372.12-72,569.82-20,276.76

Finding the Fourth Proportional to 48,372.12, 72,569.82 and 20,276.76

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Solution

The fourth proportional to 48,372.12, 72,569.82 and 20,276.76 is: 30,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.12 : 72,569.82 = 20,276.76 : x
  2. Step 2: Convert to fraction form
    48,372.12/72,569.82 = 20,276.76/x
  3. Step 3: Cross multiply
    48,372.12x = 72,569.82 × 20,276.76
  4. Step 4: Simplify right side
    48,372.12x = 1,471,480,823.38
  5. Step 5: Solve for x
    x = 1,471,480,823.38/48,372.12
  6. Step 6: Final answer
    x = 30,420.02

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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.