Home / 47,877.06-71,879.18-40,901.88

Finding the Fourth Proportional to 47,877.06, 71,879.18 and 40,901.88

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Solution

The fourth proportional to 47,877.06, 71,879.18 and 40,901.88 is: 61,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.06 : 71,879.18 = 40,901.88 : x
  2. Step 2: Convert to fraction form
    47,877.06/71,879.18 = 40,901.88/x
  3. Step 3: Cross multiply
    47,877.06x = 71,879.18 × 40,901.88
  4. Step 4: Simplify right side
    47,877.06x = 2,939,993,594.86
  5. Step 5: Solve for x
    x = 2,939,993,594.86/47,877.06
  6. Step 6: Final answer
    x = 61,407.15

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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.