Home / 48,200.53-72,253.60-20,128.61

Finding the Fourth Proportional to 48,200.53, 72,253.60 and 20,128.61

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Solution

The fourth proportional to 48,200.53, 72,253.60 and 20,128.61 is: 30,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,200.53 : 72,253.60 = 20,128.61 : x
  2. Step 2: Convert to fraction form
    48,200.53/72,253.60 = 20,128.61/x
  3. Step 3: Cross multiply
    48,200.53x = 72,253.60 × 20,128.61
  4. Step 4: Simplify right side
    48,200.53x = 1,454,364,535.50
  5. Step 5: Solve for x
    x = 1,454,364,535.50/48,200.53
  6. Step 6: Final answer
    x = 30,173.21

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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.