Home / 43,403.20-65,126.40-17,108.80

Finding the Fourth Proportional to 43,403.20, 65,126.40 and 17,108.80

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Solution

The fourth proportional to 43,403.20, 65,126.40 and 17,108.80 is: 25,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.20 : 65,126.40 = 17,108.80 : x
  2. Step 2: Convert to fraction form
    43,403.20/65,126.40 = 17,108.80/x
  3. Step 3: Cross multiply
    43,403.20x = 65,126.40 × 17,108.80
  4. Step 4: Simplify right side
    43,403.20x = 1,114,234,552.32
  5. Step 5: Solve for x
    x = 1,114,234,552.32/43,403.20
  6. Step 6: Final answer
    x = 25,671.71

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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.