Home / 45,221.17-62,436.15-28,251.28

Finding the Fourth Proportional to 45,221.17, 62,436.15 and 28,251.28

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Solution

The fourth proportional to 45,221.17, 62,436.15 and 28,251.28 is: 39,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221.17 : 62,436.15 = 28,251.28 : x
  2. Step 2: Convert to fraction form
    45,221.17/62,436.15 = 28,251.28/x
  3. Step 3: Cross multiply
    45,221.17x = 62,436.15 × 28,251.28
  4. Step 4: Simplify right side
    45,221.17x = 1,763,901,155.77
  5. Step 5: Solve for x
    x = 1,763,901,155.77/45,221.17
  6. Step 6: Final answer
    x = 39,006.09

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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.