Home / 48,372.35-72,586.52-20,289.87

Finding the Fourth Proportional to 48,372.35, 72,586.52 and 20,289.87

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Solution

The fourth proportional to 48,372.35, 72,586.52 and 20,289.87 is: 30,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.35 : 72,586.52 = 20,289.87 : x
  2. Step 2: Convert to fraction form
    48,372.35/72,586.52 = 20,289.87/x
  3. Step 3: Cross multiply
    48,372.35x = 72,586.52 × 20,289.87
  4. Step 4: Simplify right side
    48,372.35x = 1,472,770,953.10
  5. Step 5: Solve for x
    x = 1,472,770,953.10/48,372.35
  6. Step 6: Final answer
    x = 30,446.55

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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.