Home / 41,172.52-61,722.32-20,100.92

Finding the Fourth Proportional to 41,172.52, 61,722.32 and 20,100.92

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Solution

The fourth proportional to 41,172.52, 61,722.32 and 20,100.92 is: 30,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,172.52 : 61,722.32 = 20,100.92 : x
  2. Step 2: Convert to fraction form
    41,172.52/61,722.32 = 20,100.92/x
  3. Step 3: Cross multiply
    41,172.52x = 61,722.32 × 20,100.92
  4. Step 4: Simplify right side
    41,172.52x = 1,240,675,416.53
  5. Step 5: Solve for x
    x = 1,240,675,416.53/41,172.52
  6. Step 6: Final answer
    x = 30,133.58

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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.