Home / 40,065.28-55,239.85-25,699.79

Finding the Fourth Proportional to 40,065.28, 55,239.85 and 25,699.79

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Solution

The fourth proportional to 40,065.28, 55,239.85 and 25,699.79 is: 35,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.28 : 55,239.85 = 25,699.79 : x
  2. Step 2: Convert to fraction form
    40,065.28/55,239.85 = 25,699.79/x
  3. Step 3: Cross multiply
    40,065.28x = 55,239.85 × 25,699.79
  4. Step 4: Simplify right side
    40,065.28x = 1,419,652,544.63
  5. Step 5: Solve for x
    x = 1,419,652,544.63/40,065.28
  6. Step 6: Final answer
    x = 35,433.49

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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.