Home / 38,653.20-57,976.56-12,350.88

Finding the Fourth Proportional to 38,653.20, 57,976.56 and 12,350.88

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Solution

The fourth proportional to 38,653.20, 57,976.56 and 12,350.88 is: 18,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.20 : 57,976.56 = 12,350.88 : x
  2. Step 2: Convert to fraction form
    38,653.20/57,976.56 = 12,350.88/x
  3. Step 3: Cross multiply
    38,653.20x = 57,976.56 × 12,350.88
  4. Step 4: Simplify right side
    38,653.20x = 716,061,535.37
  5. Step 5: Solve for x
    x = 716,061,535.37/38,653.20
  6. Step 6: Final answer
    x = 18,525.28

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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.