Home / 40,343.13-55,676.97-22,439.30

Finding the Fourth Proportional to 40,343.13, 55,676.97 and 22,439.30

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Solution

The fourth proportional to 40,343.13, 55,676.97 and 22,439.30 is: 30,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.13 : 55,676.97 = 22,439.30 : x
  2. Step 2: Convert to fraction form
    40,343.13/55,676.97 = 22,439.30/x
  3. Step 3: Cross multiply
    40,343.13x = 55,676.97 × 22,439.30
  4. Step 4: Simplify right side
    40,343.13x = 1,249,351,954.54
  5. Step 5: Solve for x
    x = 1,249,351,954.54/40,343.13
  6. Step 6: Final answer
    x = 30,968.15

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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.