Home / 52,451.44-72,382.99-28,578.11

Finding the Fourth Proportional to 52,451.44, 72,382.99 and 28,578.11

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Solution

The fourth proportional to 52,451.44, 72,382.99 and 28,578.11 is: 39,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.44 : 72,382.99 = 28,578.11 : x
  2. Step 2: Convert to fraction form
    52,451.44/72,382.99 = 28,578.11/x
  3. Step 3: Cross multiply
    52,451.44x = 72,382.99 × 28,578.11
  4. Step 4: Simplify right side
    52,451.44x = 2,068,569,200.93
  5. Step 5: Solve for x
    x = 2,068,569,200.93/52,451.44
  6. Step 6: Final answer
    x = 39,437.80

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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.