Home / 39,351.87-54,302.94-22,359.69

Finding the Fourth Proportional to 39,351.87, 54,302.94 and 22,359.69

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Solution

The fourth proportional to 39,351.87, 54,302.94 and 22,359.69 is: 30,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.87 : 54,302.94 = 22,359.69 : x
  2. Step 2: Convert to fraction form
    39,351.87/54,302.94 = 22,359.69/x
  3. Step 3: Cross multiply
    39,351.87x = 54,302.94 × 22,359.69
  4. Step 4: Simplify right side
    39,351.87x = 1,214,196,904.49
  5. Step 5: Solve for x
    x = 1,214,196,904.49/39,351.87
  6. Step 6: Final answer
    x = 30,854.87

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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.