Home / 36,310.14-54,452.16-12,931.92

Finding the Fourth Proportional to 36,310.14, 54,452.16 and 12,931.92

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Solution

The fourth proportional to 36,310.14, 54,452.16 and 12,931.92 is: 19,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.14 : 54,452.16 = 12,931.92 : x
  2. Step 2: Convert to fraction form
    36,310.14/54,452.16 = 12,931.92/x
  3. Step 3: Cross multiply
    36,310.14x = 54,452.16 × 12,931.92
  4. Step 4: Simplify right side
    36,310.14x = 704,170,976.95
  5. Step 5: Solve for x
    x = 704,170,976.95/36,310.14
  6. Step 6: Final answer
    x = 19,393.23

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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.