Home / 57,162.52-85,740.46-17,180.64

Finding the Fourth Proportional to 57,162.52, 85,740.46 and 17,180.64

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Solution

The fourth proportional to 57,162.52, 85,740.46 and 17,180.64 is: 25,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,162.52 : 85,740.46 = 17,180.64 : x
  2. Step 2: Convert to fraction form
    57,162.52/85,740.46 = 17,180.64/x
  3. Step 3: Cross multiply
    57,162.52x = 85,740.46 × 17,180.64
  4. Step 4: Simplify right side
    57,162.52x = 1,473,075,976.69
  5. Step 5: Solve for x
    x = 1,473,075,976.69/57,162.52
  6. Step 6: Final answer
    x = 25,769.96

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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.