Home / 39,890.52-55,049.64-25,768.08

Finding the Fourth Proportional to 39,890.52, 55,049.64 and 25,768.08

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Solution

The fourth proportional to 39,890.52, 55,049.64 and 25,768.08 is: 35,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,890.52 : 55,049.64 = 25,768.08 : x
  2. Step 2: Convert to fraction form
    39,890.52/55,049.64 = 25,768.08/x
  3. Step 3: Cross multiply
    39,890.52x = 55,049.64 × 25,768.08
  4. Step 4: Simplify right side
    39,890.52x = 1,418,523,527.49
  5. Step 5: Solve for x
    x = 1,418,523,527.49/39,890.52
  6. Step 6: Final answer
    x = 35,560.42

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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.