Home / 47,498.52-71,245.76-12,437.40

Finding the Fourth Proportional to 47,498.52, 71,245.76 and 12,437.40

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Solution

The fourth proportional to 47,498.52, 71,245.76 and 12,437.40 is: 18,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,498.52 : 71,245.76 = 12,437.40 : x
  2. Step 2: Convert to fraction form
    47,498.52/71,245.76 = 12,437.40/x
  3. Step 3: Cross multiply
    47,498.52x = 71,245.76 × 12,437.40
  4. Step 4: Simplify right side
    47,498.52x = 886,112,015.42
  5. Step 5: Solve for x
    x = 886,112,015.42/47,498.52
  6. Step 6: Final answer
    x = 18,655.57

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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.