Home / 39,155.68-54,034.83-22,159.56

Finding the Fourth Proportional to 39,155.68, 54,034.83 and 22,159.56

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Solution

The fourth proportional to 39,155.68, 54,034.83 and 22,159.56 is: 30,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.68 : 54,034.83 = 22,159.56 : x
  2. Step 2: Convert to fraction form
    39,155.68/54,034.83 = 22,159.56/x
  3. Step 3: Cross multiply
    39,155.68x = 54,034.83 × 22,159.56
  4. Step 4: Simplify right side
    39,155.68x = 1,197,388,057.47
  5. Step 5: Solve for x
    x = 1,197,388,057.47/39,155.68
  6. Step 6: Final answer
    x = 30,580.19

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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.