Home / 56,760.61-85,140.68-17,317.59

Finding the Fourth Proportional to 56,760.61, 85,140.68 and 17,317.59

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Solution

The fourth proportional to 56,760.61, 85,140.68 and 17,317.59 is: 25,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.61 : 85,140.68 = 17,317.59 : x
  2. Step 2: Convert to fraction form
    56,760.61/85,140.68 = 17,317.59/x
  3. Step 3: Cross multiply
    56,760.61x = 85,140.68 × 17,317.59
  4. Step 4: Simplify right side
    56,760.61x = 1,474,431,301.97
  5. Step 5: Solve for x
    x = 1,474,431,301.97/56,760.61
  6. Step 6: Final answer
    x = 25,976.31

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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.