Home / 57,018.68-78,696.45-33,148.79

Finding the Fourth Proportional to 57,018.68, 78,696.45 and 33,148.79

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Solution

The fourth proportional to 57,018.68, 78,696.45 and 33,148.79 is: 45,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,018.68 : 78,696.45 = 33,148.79 : x
  2. Step 2: Convert to fraction form
    57,018.68/78,696.45 = 33,148.79/x
  3. Step 3: Cross multiply
    57,018.68x = 78,696.45 × 33,148.79
  4. Step 4: Simplify right side
    57,018.68x = 2,608,691,701.31
  5. Step 5: Solve for x
    x = 2,608,691,701.31/57,018.68
  6. Step 6: Final answer
    x = 45,751.53

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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.