Home / 45,264.78-62,422-27,112.61

Finding the Fourth Proportional to 45,264.78, 62,422 and 27,112.61

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Solution

The fourth proportional to 45,264.78, 62,422 and 27,112.61 is: 37,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,264.78 : 62,422 = 27,112.61 : x
  2. Step 2: Convert to fraction form
    45,264.78/62,422 = 27,112.61/x
  3. Step 3: Cross multiply
    45,264.78x = 62,422 × 27,112.61
  4. Step 4: Simplify right side
    45,264.78x = 1,692,423,341.42
  5. Step 5: Solve for x
    x = 1,692,423,341.42/45,264.78
  6. Step 6: Final answer
    x = 37,389.41

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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.