Home / 43,333.75-65,008.05-18,385.75

Finding the Fourth Proportional to 43,333.75, 65,008.05 and 18,385.75

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Solution

The fourth proportional to 43,333.75, 65,008.05 and 18,385.75 is: 27,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,333.75 : 65,008.05 = 18,385.75 : x
  2. Step 2: Convert to fraction form
    43,333.75/65,008.05 = 18,385.75/x
  3. Step 3: Cross multiply
    43,333.75x = 65,008.05 × 18,385.75
  4. Step 4: Simplify right side
    43,333.75x = 1,195,221,755.29
  5. Step 5: Solve for x
    x = 1,195,221,755.29/43,333.75
  6. Step 6: Final answer
    x = 27,581.78

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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.