Home / 52,782.66-79,178.13-15,343.29

Finding the Fourth Proportional to 52,782.66, 79,178.13 and 15,343.29

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Solution

The fourth proportional to 52,782.66, 79,178.13 and 15,343.29 is: 23,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.66 : 79,178.13 = 15,343.29 : x
  2. Step 2: Convert to fraction form
    52,782.66/79,178.13 = 15,343.29/x
  3. Step 3: Cross multiply
    52,782.66x = 79,178.13 × 15,343.29
  4. Step 4: Simplify right side
    52,782.66x = 1,214,853,010.25
  5. Step 5: Solve for x
    x = 1,214,853,010.25/52,782.66
  6. Step 6: Final answer
    x = 23,016.14

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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.