Home / 40,243.10-55,510.25-25,921.49

Finding the Fourth Proportional to 40,243.10, 55,510.25 and 25,921.49

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Solution

The fourth proportional to 40,243.10, 55,510.25 and 25,921.49 is: 35,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.10 : 55,510.25 = 25,921.49 : x
  2. Step 2: Convert to fraction form
    40,243.10/55,510.25 = 25,921.49/x
  3. Step 3: Cross multiply
    40,243.10x = 55,510.25 × 25,921.49
  4. Step 4: Simplify right side
    40,243.10x = 1,438,907,983.11
  5. Step 5: Solve for x
    x = 1,438,907,983.11/40,243.10
  6. Step 6: Final answer
    x = 35,755.40

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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.