Home / 40,403.01-55,755.61-22,253.38

Finding the Fourth Proportional to 40,403.01, 55,755.61 and 22,253.38

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Solution

The fourth proportional to 40,403.01, 55,755.61 and 22,253.38 is: 30,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.01 : 55,755.61 = 22,253.38 : x
  2. Step 2: Convert to fraction form
    40,403.01/55,755.61 = 22,253.38/x
  3. Step 3: Cross multiply
    40,403.01x = 55,755.61 × 22,253.38
  4. Step 4: Simplify right side
    40,403.01x = 1,240,750,664.89
  5. Step 5: Solve for x
    x = 1,240,750,664.89/40,403.01
  6. Step 6: Final answer
    x = 30,709.36

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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.