Home / 38,443.82-57,673.01-12,143.32

Finding the Fourth Proportional to 38,443.82, 57,673.01 and 12,143.32

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Solution

The fourth proportional to 38,443.82, 57,673.01 and 12,143.32 is: 18,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,443.82 : 57,673.01 = 12,143.32 : x
  2. Step 2: Convert to fraction form
    38,443.82/57,673.01 = 12,143.32/x
  3. Step 3: Cross multiply
    38,443.82x = 57,673.01 × 12,143.32
  4. Step 4: Simplify right side
    38,443.82x = 700,341,701.97
  5. Step 5: Solve for x
    x = 700,341,701.97/38,443.82
  6. Step 6: Final answer
    x = 18,217.28

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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.