Home / 39,240.54-54,151.70-22,248

Finding the Fourth Proportional to 39,240.54, 54,151.70 and 22,248

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Solution

The fourth proportional to 39,240.54, 54,151.70 and 22,248 is: 30,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.54 : 54,151.70 = 22,248 : x
  2. Step 2: Convert to fraction form
    39,240.54/54,151.70 = 22,248/x
  3. Step 3: Cross multiply
    39,240.54x = 54,151.70 × 22,248
  4. Step 4: Simplify right side
    39,240.54x = 1,204,767,021.60
  5. Step 5: Solve for x
    x = 1,204,767,021.60/39,240.54
  6. Step 6: Final answer
    x = 30,702.10

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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.