Home / 39,868.47-55,001.40-25,524.78

Finding the Fourth Proportional to 39,868.47, 55,001.40 and 25,524.78

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Solution

The fourth proportional to 39,868.47, 55,001.40 and 25,524.78 is: 35,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,868.47 : 55,001.40 = 25,524.78 : x
  2. Step 2: Convert to fraction form
    39,868.47/55,001.40 = 25,524.78/x
  3. Step 3: Cross multiply
    39,868.47x = 55,001.40 × 25,524.78
  4. Step 4: Simplify right side
    39,868.47x = 1,403,898,634.69
  5. Step 5: Solve for x
    x = 1,403,898,634.69/39,868.47
  6. Step 6: Final answer
    x = 35,213.26

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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.