Home / 45,381.35-68,021.57-34,251.95

Finding the Fourth Proportional to 45,381.35, 68,021.57 and 34,251.95

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Solution

The fourth proportional to 45,381.35, 68,021.57 and 34,251.95 is: 51,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,381.35 : 68,021.57 = 34,251.95 : x
  2. Step 2: Convert to fraction form
    45,381.35/68,021.57 = 34,251.95/x
  3. Step 3: Cross multiply
    45,381.35x = 68,021.57 × 34,251.95
  4. Step 4: Simplify right side
    45,381.35x = 2,329,871,160.08
  5. Step 5: Solve for x
    x = 2,329,871,160.08/45,381.35
  6. Step 6: Final answer
    x = 51,339.84

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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.