Home / 38,006.20-57,003.90-13,047.40

Finding the Fourth Proportional to 38,006.20, 57,003.90 and 13,047.40

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Solution

The fourth proportional to 38,006.20, 57,003.90 and 13,047.40 is: 19,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,006.20 : 57,003.90 = 13,047.40 : x
  2. Step 2: Convert to fraction form
    38,006.20/57,003.90 = 13,047.40/x
  3. Step 3: Cross multiply
    38,006.20x = 57,003.90 × 13,047.40
  4. Step 4: Simplify right side
    38,006.20x = 743,752,684.86
  5. Step 5: Solve for x
    x = 743,752,684.86/38,006.20
  6. Step 6: Final answer
    x = 19,569.25

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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.