Home / 51,959.55-71,703.96-28,086.18

Finding the Fourth Proportional to 51,959.55, 71,703.96 and 28,086.18

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Solution

The fourth proportional to 51,959.55, 71,703.96 and 28,086.18 is: 38,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,959.55 : 71,703.96 = 28,086.18 : x
  2. Step 2: Convert to fraction form
    51,959.55/71,703.96 = 28,086.18/x
  3. Step 3: Cross multiply
    51,959.55x = 71,703.96 × 28,086.18
  4. Step 4: Simplify right side
    51,959.55x = 2,013,890,327.27
  5. Step 5: Solve for x
    x = 2,013,890,327.27/51,959.55
  6. Step 6: Final answer
    x = 38,758.81

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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.