Home / 45,166.28-67,755.82-18,865.04

Finding the Fourth Proportional to 45,166.28, 67,755.82 and 18,865.04

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Solution

The fourth proportional to 45,166.28, 67,755.82 and 18,865.04 is: 28,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,166.28 : 67,755.82 = 18,865.04 : x
  2. Step 2: Convert to fraction form
    45,166.28/67,755.82 = 18,865.04/x
  3. Step 3: Cross multiply
    45,166.28x = 67,755.82 × 18,865.04
  4. Step 4: Simplify right side
    45,166.28x = 1,278,216,254.53
  5. Step 5: Solve for x
    x = 1,278,216,254.53/45,166.28
  6. Step 6: Final answer
    x = 28,300.23

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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.