Home / 38,934.14-58,408.49-12,631.82

Finding the Fourth Proportional to 38,934.14, 58,408.49 and 12,631.82

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Solution

The fourth proportional to 38,934.14, 58,408.49 and 12,631.82 is: 18,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,934.14 : 58,408.49 = 12,631.82 : x
  2. Step 2: Convert to fraction form
    38,934.14/58,408.49 = 12,631.82/x
  3. Step 3: Cross multiply
    38,934.14x = 58,408.49 × 12,631.82
  4. Step 4: Simplify right side
    38,934.14x = 737,805,271.69
  5. Step 5: Solve for x
    x = 737,805,271.69/38,934.14
  6. Step 6: Final answer
    x = 18,950.09

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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.