Home / 38,382.39-57,575.64-12,089.19

Finding the Fourth Proportional to 38,382.39, 57,575.64 and 12,089.19

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Solution

The fourth proportional to 38,382.39, 57,575.64 and 12,089.19 is: 18,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.39 : 57,575.64 = 12,089.19 : x
  2. Step 2: Convert to fraction form
    38,382.39/57,575.64 = 12,089.19/x
  3. Step 3: Cross multiply
    38,382.39x = 57,575.64 × 12,089.19
  4. Step 4: Simplify right side
    38,382.39x = 696,042,563.45
  5. Step 5: Solve for x
    x = 696,042,563.45/38,382.39
  6. Step 6: Final answer
    x = 18,134.43

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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.