Home / 38,363.43-57,543.77-13,403.39

Finding the Fourth Proportional to 38,363.43, 57,543.77 and 13,403.39

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Solution

The fourth proportional to 38,363.43, 57,543.77 and 13,403.39 is: 20,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,363.43 : 57,543.77 = 13,403.39 : x
  2. Step 2: Convert to fraction form
    38,363.43/57,543.77 = 13,403.39/x
  3. Step 3: Cross multiply
    38,363.43x = 57,543.77 × 13,403.39
  4. Step 4: Simplify right side
    38,363.43x = 771,281,591.38
  5. Step 5: Solve for x
    x = 771,281,591.38/38,363.43
  6. Step 6: Final answer
    x = 20,104.60

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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.