Home / 87,537.42-131,323.32-31,362.38

Finding the Fourth Proportional to 87,537.42, 131,323.32 and 31,362.38

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Solution

The fourth proportional to 87,537.42, 131,323.32 and 31,362.38 is: 47,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,537.42 : 131,323.32 = 31,362.38 : x
  2. Step 2: Convert to fraction form
    87,537.42/131,323.32 = 31,362.38/x
  3. Step 3: Cross multiply
    87,537.42x = 131,323.32 × 31,362.38
  4. Step 4: Simplify right side
    87,537.42x = 4,118,611,864.70
  5. Step 5: Solve for x
    x = 4,118,611,864.70/87,537.42
  6. Step 6: Final answer
    x = 47,049.73

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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.