Home / 40,100.89-55,301.37-29,914.41

Finding the Fourth Proportional to 40,100.89, 55,301.37 and 29,914.41

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Solution

The fourth proportional to 40,100.89, 55,301.37 and 29,914.41 is: 41,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.89 : 55,301.37 = 29,914.41 : x
  2. Step 2: Convert to fraction form
    40,100.89/55,301.37 = 29,914.41/x
  3. Step 3: Cross multiply
    40,100.89x = 55,301.37 × 29,914.41
  4. Step 4: Simplify right side
    40,100.89x = 1,654,307,855.74
  5. Step 5: Solve for x
    x = 1,654,307,855.74/40,100.89
  6. Step 6: Final answer
    x = 41,253.64

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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.