Home / 38,927.38-58,399.26-12,630.04

Finding the Fourth Proportional to 38,927.38, 58,399.26 and 12,630.04

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Solution

The fourth proportional to 38,927.38, 58,399.26 and 12,630.04 is: 18,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.38 : 58,399.26 = 12,630.04 : x
  2. Step 2: Convert to fraction form
    38,927.38/58,399.26 = 12,630.04/x
  3. Step 3: Cross multiply
    38,927.38x = 58,399.26 × 12,630.04
  4. Step 4: Simplify right side
    38,927.38x = 737,584,989.77
  5. Step 5: Solve for x
    x = 737,584,989.77/38,927.38
  6. Step 6: Final answer
    x = 18,947.72

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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.