Home / 40,074.49-55,301.70-22,168.90

Finding the Fourth Proportional to 40,074.49, 55,301.70 and 22,168.90

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Solution

The fourth proportional to 40,074.49, 55,301.70 and 22,168.90 is: 30,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.49 : 55,301.70 = 22,168.90 : x
  2. Step 2: Convert to fraction form
    40,074.49/55,301.70 = 22,168.90/x
  3. Step 3: Cross multiply
    40,074.49x = 55,301.70 × 22,168.90
  4. Step 4: Simplify right side
    40,074.49x = 1,225,977,857.13
  5. Step 5: Solve for x
    x = 1,225,977,857.13/40,074.49
  6. Step 6: Final answer
    x = 30,592.48

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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.