Home / 60,195.26-90,310.72-20,756.36

Finding the Fourth Proportional to 60,195.26, 90,310.72 and 20,756.36

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Solution

The fourth proportional to 60,195.26, 90,310.72 and 20,756.36 is: 31,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,195.26 : 90,310.72 = 20,756.36 : x
  2. Step 2: Convert to fraction form
    60,195.26/90,310.72 = 20,756.36/x
  3. Step 3: Cross multiply
    60,195.26x = 90,310.72 × 20,756.36
  4. Step 4: Simplify right side
    60,195.26x = 1,874,521,816.18
  5. Step 5: Solve for x
    x = 1,874,521,816.18/60,195.26
  6. Step 6: Final answer
    x = 31,140.69

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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.