Home / 39,721.68-59,591.09-13,425.84

Finding the Fourth Proportional to 39,721.68, 59,591.09 and 13,425.84

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Solution

The fourth proportional to 39,721.68, 59,591.09 and 13,425.84 is: 20,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.68 : 59,591.09 = 13,425.84 : x
  2. Step 2: Convert to fraction form
    39,721.68/59,591.09 = 13,425.84/x
  3. Step 3: Cross multiply
    39,721.68x = 59,591.09 × 13,425.84
  4. Step 4: Simplify right side
    39,721.68x = 800,060,473.33
  5. Step 5: Solve for x
    x = 800,060,473.33/39,721.68
  6. Step 6: Final answer
    x = 20,141.66

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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.