Home / 57,631.68-86,279.40-35,377.59

Finding the Fourth Proportional to 57,631.68, 86,279.40 and 35,377.59

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Solution

The fourth proportional to 57,631.68, 86,279.40 and 35,377.59 is: 52,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,631.68 : 86,279.40 = 35,377.59 : x
  2. Step 2: Convert to fraction form
    57,631.68/86,279.40 = 35,377.59/x
  3. Step 3: Cross multiply
    57,631.68x = 86,279.40 × 35,377.59
  4. Step 4: Simplify right side
    57,631.68x = 3,052,357,238.65
  5. Step 5: Solve for x
    x = 3,052,357,238.65/57,631.68
  6. Step 6: Final answer
    x = 52,963.18

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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.