Home / 40,311.10-55,654.21-25,975.99

Finding the Fourth Proportional to 40,311.10, 55,654.21 and 25,975.99

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Solution

The fourth proportional to 40,311.10, 55,654.21 and 25,975.99 is: 35,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.10 : 55,654.21 = 25,975.99 : x
  2. Step 2: Convert to fraction form
    40,311.10/55,654.21 = 25,975.99/x
  3. Step 3: Cross multiply
    40,311.10x = 55,654.21 × 25,975.99
  4. Step 4: Simplify right side
    40,311.10x = 1,445,673,202.42
  5. Step 5: Solve for x
    x = 1,445,673,202.42/40,311.10
  6. Step 6: Final answer
    x = 35,862.91

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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.