Home / 40,101.90-55,302.76-29,915.42

Finding the Fourth Proportional to 40,101.90, 55,302.76 and 29,915.42

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Solution

The fourth proportional to 40,101.90, 55,302.76 and 29,915.42 is: 41,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.90 : 55,302.76 = 29,915.42 : x
  2. Step 2: Convert to fraction form
    40,101.90/55,302.76 = 29,915.42/x
  3. Step 3: Cross multiply
    40,101.90x = 55,302.76 × 29,915.42
  4. Step 4: Simplify right side
    40,101.90x = 1,654,405,292.56
  5. Step 5: Solve for x
    x = 1,654,405,292.56/40,101.90
  6. Step 6: Final answer
    x = 41,255.04

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1.5x scale

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.