Home / 45,187.17-67,765.15-18,525.59

Finding the Fourth Proportional to 45,187.17, 67,765.15 and 18,525.59

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Solution

The fourth proportional to 45,187.17, 67,765.15 and 18,525.59 is: 27,781.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,187.17 : 67,765.15 = 18,525.59 : x
  2. Step 2: Convert to fraction form
    45,187.17/67,765.15 = 18,525.59/x
  3. Step 3: Cross multiply
    45,187.17x = 67,765.15 × 18,525.59
  4. Step 4: Simplify right side
    45,187.17x = 1,255,389,508.29
  5. Step 5: Solve for x
    x = 1,255,389,508.29/45,187.17
  6. Step 6: Final answer
    x = 27,781.99

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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.