Home / 40,151.13-55,406.25-22,245.07

Finding the Fourth Proportional to 40,151.13, 55,406.25 and 22,245.07

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Solution

The fourth proportional to 40,151.13, 55,406.25 and 22,245.07 is: 30,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.13 : 55,406.25 = 22,245.07 : x
  2. Step 2: Convert to fraction form
    40,151.13/55,406.25 = 22,245.07/x
  3. Step 3: Cross multiply
    40,151.13x = 55,406.25 × 22,245.07
  4. Step 4: Simplify right side
    40,151.13x = 1,232,515,978.95
  5. Step 5: Solve for x
    x = 1,232,515,978.95/40,151.13
  6. Step 6: Final answer
    x = 30,696.92

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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.