Home / 31,919.36-47,885.92-9,732.12

Finding the Fourth Proportional to 31,919.36, 47,885.92 and 9,732.12

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Solution

The fourth proportional to 31,919.36, 47,885.92 and 9,732.12 is: 14,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.36 : 47,885.92 = 9,732.12 : x
  2. Step 2: Convert to fraction form
    31,919.36/47,885.92 = 9,732.12/x
  3. Step 3: Cross multiply
    31,919.36x = 47,885.92 × 9,732.12
  4. Step 4: Simplify right side
    31,919.36x = 466,031,519.75
  5. Step 5: Solve for x
    x = 466,031,519.75/31,919.36
  6. Step 6: Final answer
    x = 14,600.28

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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.