Home / 47,448.96-65,479.55-28,589.73

Finding the Fourth Proportional to 47,448.96, 65,479.55 and 28,589.73

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Solution

The fourth proportional to 47,448.96, 65,479.55 and 28,589.73 is: 39,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,448.96 : 65,479.55 = 28,589.73 : x
  2. Step 2: Convert to fraction form
    47,448.96/65,479.55 = 28,589.73/x
  3. Step 3: Cross multiply
    47,448.96x = 65,479.55 × 28,589.73
  4. Step 4: Simplify right side
    47,448.96x = 1,872,042,512.07
  5. Step 5: Solve for x
    x = 1,872,042,512.07/47,448.96
  6. Step 6: Final answer
    x = 39,453.82

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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.