Home / 39,258.88-54,178.69-22,495.12

Finding the Fourth Proportional to 39,258.88, 54,178.69 and 22,495.12

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Solution

The fourth proportional to 39,258.88, 54,178.69 and 22,495.12 is: 31,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,258.88 : 54,178.69 = 22,495.12 : x
  2. Step 2: Convert to fraction form
    39,258.88/54,178.69 = 22,495.12/x
  3. Step 3: Cross multiply
    39,258.88x = 54,178.69 × 22,495.12
  4. Step 4: Simplify right side
    39,258.88x = 1,218,756,132.99
  5. Step 5: Solve for x
    x = 1,218,756,132.99/39,258.88
  6. Step 6: Final answer
    x = 31,044.09

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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.