Home / 39,729.28-54,812.40-24,634.24

Finding the Fourth Proportional to 39,729.28, 54,812.40 and 24,634.24

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Solution

The fourth proportional to 39,729.28, 54,812.40 and 24,634.24 is: 33,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.28 : 54,812.40 = 24,634.24 : x
  2. Step 2: Convert to fraction form
    39,729.28/54,812.40 = 24,634.24/x
  3. Step 3: Cross multiply
    39,729.28x = 54,812.40 × 24,634.24
  4. Step 4: Simplify right side
    39,729.28x = 1,350,261,816.58
  5. Step 5: Solve for x
    x = 1,350,261,816.58/39,729.28
  6. Step 6: Final answer
    x = 33,986.57

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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.