Home / 52,451.77-72,384.27-28,578.43

Finding the Fourth Proportional to 52,451.77, 72,384.27 and 28,578.43

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Solution

The fourth proportional to 52,451.77, 72,384.27 and 28,578.43 is: 39,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.77 : 72,384.27 = 28,578.43 : x
  2. Step 2: Convert to fraction form
    52,451.77/72,384.27 = 28,578.43/x
  3. Step 3: Cross multiply
    52,451.77x = 72,384.27 × 28,578.43
  4. Step 4: Simplify right side
    52,451.77x = 2,068,628,793.30
  5. Step 5: Solve for x
    x = 2,068,628,793.30/52,451.77
  6. Step 6: Final answer
    x = 39,438.68

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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.