Home / 52,079.10-71,868.30-28,205.57

Finding the Fourth Proportional to 52,079.10, 71,868.30 and 28,205.57

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Solution

The fourth proportional to 52,079.10, 71,868.30 and 28,205.57 is: 38,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079.10 : 71,868.30 = 28,205.57 : x
  2. Step 2: Convert to fraction form
    52,079.10/71,868.30 = 28,205.57/x
  3. Step 3: Cross multiply
    52,079.10x = 71,868.30 × 28,205.57
  4. Step 4: Simplify right side
    52,079.10x = 2,027,086,366.43
  5. Step 5: Solve for x
    x = 2,027,086,366.43/52,079.10
  6. Step 6: Final answer
    x = 38,923.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.