Home / 47,530.80-71,312.40-14,251.68

Finding the Fourth Proportional to 47,530.80, 71,312.40 and 14,251.68

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Solution

The fourth proportional to 47,530.80, 71,312.40 and 14,251.68 is: 21,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,530.80 : 71,312.40 = 14,251.68 : x
  2. Step 2: Convert to fraction form
    47,530.80/71,312.40 = 14,251.68/x
  3. Step 3: Cross multiply
    47,530.80x = 71,312.40 × 14,251.68
  4. Step 4: Simplify right side
    47,530.80x = 1,016,321,504.83
  5. Step 5: Solve for x
    x = 1,016,321,504.83/47,530.80
  6. Step 6: Final answer
    x = 21,382.38

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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.