Home / 31,593.70-47,377.39-12,861.03

Finding the Fourth Proportional to 31,593.70, 47,377.39 and 12,861.03

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Solution

The fourth proportional to 31,593.70, 47,377.39 and 12,861.03 is: 19,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593.70 : 47,377.39 = 12,861.03 : x
  2. Step 2: Convert to fraction form
    31,593.70/47,377.39 = 12,861.03/x
  3. Step 3: Cross multiply
    31,593.70x = 47,377.39 × 12,861.03
  4. Step 4: Simplify right side
    31,593.70x = 609,322,034.11
  5. Step 5: Solve for x
    x = 609,322,034.11/31,593.70
  6. Step 6: Final answer
    x = 19,286.19

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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.