Home / 47,506.20-71,263.38-12,445.86

Finding the Fourth Proportional to 47,506.20, 71,263.38 and 12,445.86

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Solution

The fourth proportional to 47,506.20, 71,263.38 and 12,445.86 is: 18,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,506.20 : 71,263.38 = 12,445.86 : x
  2. Step 2: Convert to fraction form
    47,506.20/71,263.38 = 12,445.86/x
  3. Step 3: Cross multiply
    47,506.20x = 71,263.38 × 12,445.86
  4. Step 4: Simplify right side
    47,506.20x = 886,934,050.61
  5. Step 5: Solve for x
    x = 886,934,050.61/47,506.20
  6. Step 6: Final answer
    x = 18,669.86

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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.