Home / 52,839.55-72,919.22-28,965.70

Finding the Fourth Proportional to 52,839.55, 72,919.22 and 28,965.70

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Solution

The fourth proportional to 52,839.55, 72,919.22 and 28,965.70 is: 39,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,839.55 : 72,919.22 = 28,965.70 : x
  2. Step 2: Convert to fraction form
    52,839.55/72,919.22 = 28,965.70/x
  3. Step 3: Cross multiply
    52,839.55x = 72,919.22 × 28,965.70
  4. Step 4: Simplify right side
    52,839.55x = 2,112,156,250.75
  5. Step 5: Solve for x
    x = 2,112,156,250.75/52,839.55
  6. Step 6: Final answer
    x = 39,973.02

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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.