Home / 39,975.97-59,965.49-10,393.03

Finding the Fourth Proportional to 39,975.97, 59,965.49 and 10,393.03

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Solution

The fourth proportional to 39,975.97, 59,965.49 and 10,393.03 is: 15,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.97 : 59,965.49 = 10,393.03 : x
  2. Step 2: Convert to fraction form
    39,975.97/59,965.49 = 10,393.03/x
  3. Step 3: Cross multiply
    39,975.97x = 59,965.49 × 10,393.03
  4. Step 4: Simplify right side
    39,975.97x = 623,223,376.90
  5. Step 5: Solve for x
    x = 623,223,376.90/39,975.97
  6. Step 6: Final answer
    x = 15,589.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.