Home / 47,578.80-65,637.36-35,642.64

Finding the Fourth Proportional to 47,578.80, 65,637.36 and 35,642.64

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Solution

The fourth proportional to 47,578.80, 65,637.36 and 35,642.64 is: 49,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.80 : 65,637.36 = 35,642.64 : x
  2. Step 2: Convert to fraction form
    47,578.80/65,637.36 = 35,642.64/x
  3. Step 3: Cross multiply
    47,578.80x = 65,637.36 × 35,642.64
  4. Step 4: Simplify right side
    47,578.80x = 2,339,488,793.03
  5. Step 5: Solve for x
    x = 2,339,488,793.03/47,578.80
  6. Step 6: Final answer
    x = 49,170.82

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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.