Home / 39,162.45-58,753.68-12,867.42

Finding the Fourth Proportional to 39,162.45, 58,753.68 and 12,867.42

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Solution

The fourth proportional to 39,162.45, 58,753.68 and 12,867.42 is: 19,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,162.45 : 58,753.68 = 12,867.42 : x
  2. Step 2: Convert to fraction form
    39,162.45/58,753.68 = 12,867.42/x
  3. Step 3: Cross multiply
    39,162.45x = 58,753.68 × 12,867.42
  4. Step 4: Simplify right side
    39,162.45x = 756,008,277.11
  5. Step 5: Solve for x
    x = 756,008,277.11/39,162.45
  6. Step 6: Final answer
    x = 19,304.42

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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.