Home / 39,727.91-59,591.79-10,145.75

Finding the Fourth Proportional to 39,727.91, 59,591.79 and 10,145.75

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Solution

The fourth proportional to 39,727.91, 59,591.79 and 10,145.75 is: 15,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.91 : 59,591.79 = 10,145.75 : x
  2. Step 2: Convert to fraction form
    39,727.91/59,591.79 = 10,145.75/x
  3. Step 3: Cross multiply
    39,727.91x = 59,591.79 × 10,145.75
  4. Step 4: Simplify right side
    39,727.91x = 604,603,105.43
  5. Step 5: Solve for x
    x = 604,603,105.43/39,727.91
  6. Step 6: Final answer
    x = 15,218.60

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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.