Home / 56,718.24-85,051.20-17,266.56

Finding the Fourth Proportional to 56,718.24, 85,051.20 and 17,266.56

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Solution

The fourth proportional to 56,718.24, 85,051.20 and 17,266.56 is: 25,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718.24 : 85,051.20 = 17,266.56 : x
  2. Step 2: Convert to fraction form
    56,718.24/85,051.20 = 17,266.56/x
  3. Step 3: Cross multiply
    56,718.24x = 85,051.20 × 17,266.56
  4. Step 4: Simplify right side
    56,718.24x = 1,468,541,647.87
  5. Step 5: Solve for x
    x = 1,468,541,647.87/56,718.24
  6. Step 6: Final answer
    x = 25,891.88

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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.