Home / 57,137.98-85,724.52-25,574.65

Finding the Fourth Proportional to 57,137.98, 85,724.52 and 25,574.65

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Solution

The fourth proportional to 57,137.98, 85,724.52 and 25,574.65 is: 38,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,137.98 : 85,724.52 = 25,574.65 : x
  2. Step 2: Convert to fraction form
    57,137.98/85,724.52 = 25,574.65/x
  3. Step 3: Cross multiply
    57,137.98x = 85,724.52 × 25,574.65
  4. Step 4: Simplify right side
    57,137.98x = 2,192,374,595.42
  5. Step 5: Solve for x
    x = 2,192,374,595.42/57,137.98
  6. Step 6: Final answer
    x = 38,369.83

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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.