Home / 57,040.74-78,725.95-33,181.26

Finding the Fourth Proportional to 57,040.74, 78,725.95 and 33,181.26

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Solution

The fourth proportional to 57,040.74, 78,725.95 and 33,181.26 is: 45,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.74 : 78,725.95 = 33,181.26 : x
  2. Step 2: Convert to fraction form
    57,040.74/78,725.95 = 33,181.26/x
  3. Step 3: Cross multiply
    57,040.74x = 78,725.95 × 33,181.26
  4. Step 4: Simplify right side
    57,040.74x = 2,612,226,215.70
  5. Step 5: Solve for x
    x = 2,612,226,215.70/57,040.74
  6. Step 6: Final answer
    x = 45,795.80

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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.