Home / 63,351.40-87,400.06-40,687.25

Finding the Fourth Proportional to 63,351.40, 87,400.06 and 40,687.25

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Solution

The fourth proportional to 63,351.40, 87,400.06 and 40,687.25 is: 56,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,351.40 : 87,400.06 = 40,687.25 : x
  2. Step 2: Convert to fraction form
    63,351.40/87,400.06 = 40,687.25/x
  3. Step 3: Cross multiply
    63,351.40x = 87,400.06 × 40,687.25
  4. Step 4: Simplify right side
    63,351.40x = 3,556,067,781.38
  5. Step 5: Solve for x
    x = 3,556,067,781.38/63,351.40
  6. Step 6: Final answer
    x = 56,132.43

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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.