Home / 40,113.96-55,357.70-22,209.26

Finding the Fourth Proportional to 40,113.96, 55,357.70 and 22,209.26

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Solution

The fourth proportional to 40,113.96, 55,357.70 and 22,209.26 is: 30,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.96 : 55,357.70 = 22,209.26 : x
  2. Step 2: Convert to fraction form
    40,113.96/55,357.70 = 22,209.26/x
  3. Step 3: Cross multiply
    40,113.96x = 55,357.70 × 22,209.26
  4. Step 4: Simplify right side
    40,113.96x = 1,229,453,552.30
  5. Step 5: Solve for x
    x = 1,229,453,552.30/40,113.96
  6. Step 6: Final answer
    x = 30,649.02

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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.