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Finding the Fourth Proportional to 45,251.66, 67,874.07 and 18,590.39

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Solution

The fourth proportional to 45,251.66, 67,874.07 and 18,590.39 is: 27,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251.66 : 67,874.07 = 18,590.39 : x
  2. Step 2: Convert to fraction form
    45,251.66/67,874.07 = 18,590.39/x
  3. Step 3: Cross multiply
    45,251.66x = 67,874.07 × 18,590.39
  4. Step 4: Simplify right side
    45,251.66x = 1,261,805,139.29
  5. Step 5: Solve for x
    x = 1,261,805,139.29/45,251.66
  6. Step 6: Final answer
    x = 27,884.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.