Home / 56,713.23-85,070.12-22,979.90

Finding the Fourth Proportional to 56,713.23, 85,070.12 and 22,979.90

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Solution

The fourth proportional to 56,713.23, 85,070.12 and 22,979.90 is: 34,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,713.23 : 85,070.12 = 22,979.90 : x
  2. Step 2: Convert to fraction form
    56,713.23/85,070.12 = 22,979.90/x
  3. Step 3: Cross multiply
    56,713.23x = 85,070.12 × 22,979.90
  4. Step 4: Simplify right side
    56,713.23x = 1,954,902,948.36
  5. Step 5: Solve for x
    x = 1,954,902,948.36/56,713.23
  6. Step 6: Final answer
    x = 34,469.96

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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.