Home / 40,112.23-55,355.31-22,207.51

Finding the Fourth Proportional to 40,112.23, 55,355.31 and 22,207.51

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Solution

The fourth proportional to 40,112.23, 55,355.31 and 22,207.51 is: 30,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.23 : 55,355.31 = 22,207.51 : x
  2. Step 2: Convert to fraction form
    40,112.23/55,355.31 = 22,207.51/x
  3. Step 3: Cross multiply
    40,112.23x = 55,355.31 × 22,207.51
  4. Step 4: Simplify right side
    40,112.23x = 1,229,303,600.38
  5. Step 5: Solve for x
    x = 1,229,303,600.38/40,112.23
  6. Step 6: Final answer
    x = 30,646.60

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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.