Home / 47,665.58-71,498.76-12,126.92

Finding the Fourth Proportional to 47,665.58, 71,498.76 and 12,126.92

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Solution

The fourth proportional to 47,665.58, 71,498.76 and 12,126.92 is: 18,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,665.58 : 71,498.76 = 12,126.92 : x
  2. Step 2: Convert to fraction form
    47,665.58/71,498.76 = 12,126.92/x
  3. Step 3: Cross multiply
    47,665.58x = 71,498.76 × 12,126.92
  4. Step 4: Simplify right side
    47,665.58x = 867,059,385.13
  5. Step 5: Solve for x
    x = 867,059,385.13/47,665.58
  6. Step 6: Final answer
    x = 18,190.47

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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.