Home / 45,288-67,949.28-17,588.16

Finding the Fourth Proportional to 45,288, 67,949.28 and 17,588.16

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Solution

The fourth proportional to 45,288, 67,949.28 and 17,588.16 is: 26,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288 : 67,949.28 = 17,588.16 : x
  2. Step 2: Convert to fraction form
    45,288/67,949.28 = 17,588.16/x
  3. Step 3: Cross multiply
    45,288x = 67,949.28 × 17,588.16
  4. Step 4: Simplify right side
    45,288x = 1,195,102,808.52
  5. Step 5: Solve for x
    x = 1,195,102,808.52/45,288
  6. Step 6: Final answer
    x = 26,388.95

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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.