Home / 47,500.56-71,248.74-12,439.44

Finding the Fourth Proportional to 47,500.56, 71,248.74 and 12,439.44

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Solution

The fourth proportional to 47,500.56, 71,248.74 and 12,439.44 is: 18,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,500.56 : 71,248.74 = 12,439.44 : x
  2. Step 2: Convert to fraction form
    47,500.56/71,248.74 = 12,439.44/x
  3. Step 3: Cross multiply
    47,500.56x = 71,248.74 × 12,439.44
  4. Step 4: Simplify right side
    47,500.56x = 886,294,426.31
  5. Step 5: Solve for x
    x = 886,294,426.31/47,500.56
  6. Step 6: Final answer
    x = 18,658.61

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1.5x scale

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.