Home / 47,990.22-71,996.67-21,694.92

Finding the Fourth Proportional to 47,990.22, 71,996.67 and 21,694.92

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Solution

The fourth proportional to 47,990.22, 71,996.67 and 21,694.92 is: 32,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.22 : 71,996.67 = 21,694.92 : x
  2. Step 2: Convert to fraction form
    47,990.22/71,996.67 = 21,694.92/x
  3. Step 3: Cross multiply
    47,990.22x = 71,996.67 × 21,694.92
  4. Step 4: Simplify right side
    47,990.22x = 1,561,961,995.92
  5. Step 5: Solve for x
    x = 1,561,961,995.92/47,990.22
  6. Step 6: Final answer
    x = 32,547.51

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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.