Home / 38,551.52-57,810.96-12,249.20

Finding the Fourth Proportional to 38,551.52, 57,810.96 and 12,249.20

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Solution

The fourth proportional to 38,551.52, 57,810.96 and 12,249.20 is: 18,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,551.52 : 57,810.96 = 12,249.20 : x
  2. Step 2: Convert to fraction form
    38,551.52/57,810.96 = 12,249.20/x
  3. Step 3: Cross multiply
    38,551.52x = 57,810.96 × 12,249.20
  4. Step 4: Simplify right side
    38,551.52x = 708,138,011.23
  5. Step 5: Solve for x
    x = 708,138,011.23/38,551.52
  6. Step 6: Final answer
    x = 18,368.61

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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.