Home / 47,250.56-70,876.15-12,190.52

Finding the Fourth Proportional to 47,250.56, 70,876.15 and 12,190.52

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Solution

The fourth proportional to 47,250.56, 70,876.15 and 12,190.52 is: 18,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.56 : 70,876.15 = 12,190.52 : x
  2. Step 2: Convert to fraction form
    47,250.56/70,876.15 = 12,190.52/x
  3. Step 3: Cross multiply
    47,250.56x = 70,876.15 × 12,190.52
  4. Step 4: Simplify right side
    47,250.56x = 864,017,270.81
  5. Step 5: Solve for x
    x = 864,017,270.81/47,250.56
  6. Step 6: Final answer
    x = 18,285.86

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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.