Home / 57,042.33-78,725.01-34,392.90

Finding the Fourth Proportional to 57,042.33, 78,725.01 and 34,392.90

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Solution

The fourth proportional to 57,042.33, 78,725.01 and 34,392.90 is: 47,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,042.33 : 78,725.01 = 34,392.90 : x
  2. Step 2: Convert to fraction form
    57,042.33/78,725.01 = 34,392.90/x
  3. Step 3: Cross multiply
    57,042.33x = 78,725.01 × 34,392.90
  4. Step 4: Simplify right side
    57,042.33x = 2,707,581,820.62
  5. Step 5: Solve for x
    x = 2,707,581,820.62/57,042.33
  6. Step 6: Final answer
    x = 47,466.19

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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.