Home / 48,564.29-72,816.28-20,469.89

Finding the Fourth Proportional to 48,564.29, 72,816.28 and 20,469.89

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Solution

The fourth proportional to 48,564.29, 72,816.28 and 20,469.89 is: 30,692.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,564.29 : 72,816.28 = 20,469.89 : x
  2. Step 2: Convert to fraction form
    48,564.29/72,816.28 = 20,469.89/x
  3. Step 3: Cross multiply
    48,564.29x = 72,816.28 × 20,469.89
  4. Step 4: Simplify right side
    48,564.29x = 1,490,541,241.81
  5. Step 5: Solve for x
    x = 1,490,541,241.81/48,564.29
  6. Step 6: Final answer
    x = 30,692.12

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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.