Home / 52,515.89-72,471.92-28,642.56

Finding the Fourth Proportional to 52,515.89, 72,471.92 and 28,642.56

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Solution

The fourth proportional to 52,515.89, 72,471.92 and 28,642.56 is: 39,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.89 : 72,471.92 = 28,642.56 : x
  2. Step 2: Convert to fraction form
    52,515.89/72,471.92 = 28,642.56/x
  3. Step 3: Cross multiply
    52,515.89x = 72,471.92 × 28,642.56
  4. Step 4: Simplify right side
    52,515.89x = 2,075,781,173.70
  5. Step 5: Solve for x
    x = 2,075,781,173.70/52,515.89
  6. Step 6: Final answer
    x = 39,526.73

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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.