Home / 48,221.42-72,343.60-20,125.82

Finding the Fourth Proportional to 48,221.42, 72,343.60 and 20,125.82

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Solution

The fourth proportional to 48,221.42, 72,343.60 and 20,125.82 is: 30,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,221.42 : 72,343.60 = 20,125.82 : x
  2. Step 2: Convert to fraction form
    48,221.42/72,343.60 = 20,125.82/x
  3. Step 3: Cross multiply
    48,221.42x = 72,343.60 × 20,125.82
  4. Step 4: Simplify right side
    48,221.42x = 1,455,974,402.30
  5. Step 5: Solve for x
    x = 1,455,974,402.30/48,221.42
  6. Step 6: Final answer
    x = 30,193.52

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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.