Home / 47,949.45-71,924.18-21,289.17

Finding the Fourth Proportional to 47,949.45, 71,924.18 and 21,289.17

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Solution

The fourth proportional to 47,949.45, 71,924.18 and 21,289.17 is: 31,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949.45 : 71,924.18 = 21,289.17 : x
  2. Step 2: Convert to fraction form
    47,949.45/71,924.18 = 21,289.17/x
  3. Step 3: Cross multiply
    47,949.45x = 71,924.18 × 21,289.17
  4. Step 4: Simplify right side
    47,949.45x = 1,531,206,095.13
  5. Step 5: Solve for x
    x = 1,531,206,095.13/47,949.45
  6. Step 6: Final answer
    x = 31,933.76

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Similar ratio
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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.