Home / 48,204-72,277.20-20,090.16

Finding the Fourth Proportional to 48,204, 72,277.20 and 20,090.16

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Solution

The fourth proportional to 48,204, 72,277.20 and 20,090.16 is: 30,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,204 : 72,277.20 = 20,090.16 : x
  2. Step 2: Convert to fraction form
    48,204/72,277.20 = 20,090.16/x
  3. Step 3: Cross multiply
    48,204x = 72,277.20 × 20,090.16
  4. Step 4: Simplify right side
    48,204x = 1,452,060,512.35
  5. Step 5: Solve for x
    x = 1,452,060,512.35/48,204
  6. Step 6: Final answer
    x = 30,123.24

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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.