Home / 38,934.46-58,391.97-12,646.72

Finding the Fourth Proportional to 38,934.46, 58,391.97 and 12,646.72

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Solution

The fourth proportional to 38,934.46, 58,391.97 and 12,646.72 is: 18,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,934.46 : 58,391.97 = 12,646.72 : x
  2. Step 2: Convert to fraction form
    38,934.46/58,391.97 = 12,646.72/x
  3. Step 3: Cross multiply
    38,934.46x = 58,391.97 × 12,646.72
  4. Step 4: Simplify right side
    38,934.46x = 738,466,894.84
  5. Step 5: Solve for x
    x = 738,466,894.84/38,934.46
  6. Step 6: Final answer
    x = 18,966.92

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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.