Home / 38,927.46-58,399.38-12,630.15

Finding the Fourth Proportional to 38,927.46, 58,399.38 and 12,630.15

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Solution

The fourth proportional to 38,927.46, 58,399.38 and 12,630.15 is: 18,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.46 : 58,399.38 = 12,630.15 : x
  2. Step 2: Convert to fraction form
    38,927.46/58,399.38 = 12,630.15/x
  3. Step 3: Cross multiply
    38,927.46x = 58,399.38 × 12,630.15
  4. Step 4: Simplify right side
    38,927.46x = 737,592,929.31
  5. Step 5: Solve for x
    x = 737,592,929.31/38,927.46
  6. Step 6: Final answer
    x = 18,947.88

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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.