Home / 40,414.72-55,768.60-29,810.20

Finding the Fourth Proportional to 40,414.72, 55,768.60 and 29,810.20

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Solution

The fourth proportional to 40,414.72, 55,768.60 and 29,810.20 is: 41,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414.72 : 55,768.60 = 29,810.20 : x
  2. Step 2: Convert to fraction form
    40,414.72/55,768.60 = 29,810.20/x
  3. Step 3: Cross multiply
    40,414.72x = 55,768.60 × 29,810.20
  4. Step 4: Simplify right side
    40,414.72x = 1,662,473,119.72
  5. Step 5: Solve for x
    x = 1,662,473,119.72/40,414.72
  6. Step 6: Final answer
    x = 41,135.34

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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.