Home / 47,400.80-71,101.19-14,120.00

Finding the Fourth Proportional to 47,400.80, 71,101.19 and 14,120.00

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Solution

The fourth proportional to 47,400.80, 71,101.19 and 14,120.00 is: 21,179.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.80 : 71,101.19 = 14,120.00 : x
  2. Step 2: Convert to fraction form
    47,400.80/71,101.19 = 14,120.00/x
  3. Step 3: Cross multiply
    47,400.80x = 71,101.19 × 14,120.00
  4. Step 4: Simplify right side
    47,400.80x = 1,003,948,376.69
  5. Step 5: Solve for x
    x = 1,003,948,376.69/47,400.80
  6. Step 6: Final answer
    x = 21,179.99

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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.