Home / 58,738.78-81,040.22-33,242.61

Finding the Fourth Proportional to 58,738.78, 81,040.22 and 33,242.61

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Solution

The fourth proportional to 58,738.78, 81,040.22 and 33,242.61 is: 45,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,738.78 : 81,040.22 = 33,242.61 : x
  2. Step 2: Convert to fraction form
    58,738.78/81,040.22 = 33,242.61/x
  3. Step 3: Cross multiply
    58,738.78x = 81,040.22 × 33,242.61
  4. Step 4: Simplify right side
    58,738.78x = 2,693,988,386.22
  5. Step 5: Solve for x
    x = 2,693,988,386.22/58,738.78
  6. Step 6: Final answer
    x = 45,863.88

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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.