Home / 53,397.82-80,129.67-27,121.42

Finding the Fourth Proportional to 53,397.82, 80,129.67 and 27,121.42

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Solution

The fourth proportional to 53,397.82, 80,129.67 and 27,121.42 is: 40,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397.82 : 80,129.67 = 27,121.42 : x
  2. Step 2: Convert to fraction form
    53,397.82/80,129.67 = 27,121.42/x
  3. Step 3: Cross multiply
    53,397.82x = 80,129.67 × 27,121.42
  4. Step 4: Simplify right side
    53,397.82x = 2,173,230,434.53
  5. Step 5: Solve for x
    x = 2,173,230,434.53/53,397.82
  6. Step 6: Final answer
    x = 40,698.86

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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.