Home / 40,112.27-60,223.62-20,404.16

Finding the Fourth Proportional to 40,112.27, 60,223.62 and 20,404.16

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Solution

The fourth proportional to 40,112.27, 60,223.62 and 20,404.16 is: 30,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.27 : 60,223.62 = 20,404.16 : x
  2. Step 2: Convert to fraction form
    40,112.27/60,223.62 = 20,404.16/x
  3. Step 3: Cross multiply
    40,112.27x = 60,223.62 × 20,404.16
  4. Step 4: Simplify right side
    40,112.27x = 1,228,812,378.26
  5. Step 5: Solve for x
    x = 1,228,812,378.26/40,112.27
  6. Step 6: Final answer
    x = 30,634.33

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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.