Home / 38,641.15-57,967.17-12,340.03

Finding the Fourth Proportional to 38,641.15, 57,967.17 and 12,340.03

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Solution

The fourth proportional to 38,641.15, 57,967.17 and 12,340.03 is: 18,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,641.15 : 57,967.17 = 12,340.03 : x
  2. Step 2: Convert to fraction form
    38,641.15/57,967.17 = 12,340.03/x
  3. Step 3: Cross multiply
    38,641.15x = 57,967.17 × 12,340.03
  4. Step 4: Simplify right side
    38,641.15x = 715,316,616.82
  5. Step 5: Solve for x
    x = 715,316,616.82/38,641.15
  6. Step 6: Final answer
    x = 18,511.78

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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.