Home / 36,311.47-54,478.14-12,934.87

Finding the Fourth Proportional to 36,311.47, 54,478.14 and 12,934.87

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Solution

The fourth proportional to 36,311.47, 54,478.14 and 12,934.87 is: 19,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.47 : 54,478.14 = 12,934.87 : x
  2. Step 2: Convert to fraction form
    36,311.47/54,478.14 = 12,934.87/x
  3. Step 3: Cross multiply
    36,311.47x = 54,478.14 × 12,934.87
  4. Step 4: Simplify right side
    36,311.47x = 704,667,658.74
  5. Step 5: Solve for x
    x = 704,667,658.74/36,311.47
  6. Step 6: Final answer
    x = 19,406.20

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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.