Home / 40,155.26-55,409.76-22,245.75

Finding the Fourth Proportional to 40,155.26, 55,409.76 and 22,245.75

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Solution

The fourth proportional to 40,155.26, 55,409.76 and 22,245.75 is: 30,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.26 : 55,409.76 = 22,245.75 : x
  2. Step 2: Convert to fraction form
    40,155.26/55,409.76 = 22,245.75/x
  3. Step 3: Cross multiply
    40,155.26x = 55,409.76 × 22,245.75
  4. Step 4: Simplify right side
    40,155.26x = 1,232,631,668.52
  5. Step 5: Solve for x
    x = 1,232,631,668.52/40,155.26
  6. Step 6: Final answer
    x = 30,696.65

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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.