Home / 39,154.68-54,033.45-22,158.56

Finding the Fourth Proportional to 39,154.68, 54,033.45 and 22,158.56

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Solution

The fourth proportional to 39,154.68, 54,033.45 and 22,158.56 is: 30,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,154.68 : 54,033.45 = 22,158.56 : x
  2. Step 2: Convert to fraction form
    39,154.68/54,033.45 = 22,158.56/x
  3. Step 3: Cross multiply
    39,154.68x = 54,033.45 × 22,158.56
  4. Step 4: Simplify right side
    39,154.68x = 1,197,303,443.83
  5. Step 5: Solve for x
    x = 1,197,303,443.83/39,154.68
  6. Step 6: Final answer
    x = 30,578.81

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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.