Home / 31,480.48-47,249.92-15,909.04

Finding the Fourth Proportional to 31,480.48, 47,249.92 and 15,909.04

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Solution

The fourth proportional to 31,480.48, 47,249.92 and 15,909.04 is: 23,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.48 : 47,249.92 = 15,909.04 : x
  2. Step 2: Convert to fraction form
    31,480.48/47,249.92 = 15,909.04/x
  3. Step 3: Cross multiply
    31,480.48x = 47,249.92 × 15,909.04
  4. Step 4: Simplify right side
    31,480.48x = 751,700,867.28
  5. Step 5: Solve for x
    x = 751,700,867.28/31,480.48
  6. Step 6: Final answer
    x = 23,878.32

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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.