Home / 40,203.22-55,480.85-22,298.53

Finding the Fourth Proportional to 40,203.22, 55,480.85 and 22,298.53

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Solution

The fourth proportional to 40,203.22, 55,480.85 and 22,298.53 is: 30,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,203.22 : 55,480.85 = 22,298.53 : x
  2. Step 2: Convert to fraction form
    40,203.22/55,480.85 = 22,298.53/x
  3. Step 3: Cross multiply
    40,203.22x = 55,480.85 × 22,298.53
  4. Step 4: Simplify right side
    40,203.22x = 1,237,141,398.15
  5. Step 5: Solve for x
    x = 1,237,141,398.15/40,203.22
  6. Step 6: Final answer
    x = 30,772.20

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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.