Home / 48,372.30-72,586.46-20,289.85

Finding the Fourth Proportional to 48,372.30, 72,586.46 and 20,289.85

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Solution

The fourth proportional to 48,372.30, 72,586.46 and 20,289.85 is: 30,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.30 : 72,586.46 = 20,289.85 : x
  2. Step 2: Convert to fraction form
    48,372.30/72,586.46 = 20,289.85/x
  3. Step 3: Cross multiply
    48,372.30x = 72,586.46 × 20,289.85
  4. Step 4: Simplify right side
    48,372.30x = 1,472,768,385.43
  5. Step 5: Solve for x
    x = 1,472,768,385.43/48,372.30
  6. Step 6: Final answer
    x = 30,446.52

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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.