Home / 40,200.45-55,480.03-22,301.22

Finding the Fourth Proportional to 40,200.45, 55,480.03 and 22,301.22

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Solution

The fourth proportional to 40,200.45, 55,480.03 and 22,301.22 is: 30,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.45 : 55,480.03 = 22,301.22 : x
  2. Step 2: Convert to fraction form
    40,200.45/55,480.03 = 22,301.22/x
  3. Step 3: Cross multiply
    40,200.45x = 55,480.03 × 22,301.22
  4. Step 4: Simplify right side
    40,200.45x = 1,237,272,354.64
  5. Step 5: Solve for x
    x = 1,237,272,354.64/40,200.45
  6. Step 6: Final answer
    x = 30,777.57

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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.