Home / 39,386.49-54,351.18-22,388.37

Finding the Fourth Proportional to 39,386.49, 54,351.18 and 22,388.37

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Solution

The fourth proportional to 39,386.49, 54,351.18 and 22,388.37 is: 30,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386.49 : 54,351.18 = 22,388.37 : x
  2. Step 2: Convert to fraction form
    39,386.49/54,351.18 = 22,388.37/x
  3. Step 3: Cross multiply
    39,386.49x = 54,351.18 × 22,388.37
  4. Step 4: Simplify right side
    39,386.49x = 1,216,834,327.78
  5. Step 5: Solve for x
    x = 1,216,834,327.78/39,386.49
  6. Step 6: Final answer
    x = 30,894.71

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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.