Home / 40,101.89-55,302.75-29,915.41

Finding the Fourth Proportional to 40,101.89, 55,302.75 and 29,915.41

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Solution

The fourth proportional to 40,101.89, 55,302.75 and 29,915.41 is: 41,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.89 : 55,302.75 = 29,915.41 : x
  2. Step 2: Convert to fraction form
    40,101.89/55,302.75 = 29,915.41/x
  3. Step 3: Cross multiply
    40,101.89x = 55,302.75 × 29,915.41
  4. Step 4: Simplify right side
    40,101.89x = 1,654,404,440.38
  5. Step 5: Solve for x
    x = 1,654,404,440.38/40,101.89
  6. Step 6: Final answer
    x = 41,255.02

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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.