Home / 40,147.22-55,400.77-22,240.94

Finding the Fourth Proportional to 40,147.22, 55,400.77 and 22,240.94

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Solution

The fourth proportional to 40,147.22, 55,400.77 and 22,240.94 is: 30,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.22 : 55,400.77 = 22,240.94 : x
  2. Step 2: Convert to fraction form
    40,147.22/55,400.77 = 22,240.94/x
  3. Step 3: Cross multiply
    40,147.22x = 55,400.77 × 22,240.94
  4. Step 4: Simplify right side
    40,147.22x = 1,232,164,952.32
  5. Step 5: Solve for x
    x = 1,232,164,952.32/40,147.22
  6. Step 6: Final answer
    x = 30,691.16

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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.