Home / 39,103.93-53,963.46-21,198.92

Finding the Fourth Proportional to 39,103.93, 53,963.46 and 21,198.92

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Solution

The fourth proportional to 39,103.93, 53,963.46 and 21,198.92 is: 29,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.93 : 53,963.46 = 21,198.92 : x
  2. Step 2: Convert to fraction form
    39,103.93/53,963.46 = 21,198.92/x
  3. Step 3: Cross multiply
    39,103.93x = 53,963.46 × 21,198.92
  4. Step 4: Simplify right side
    39,103.93x = 1,143,967,071.46
  5. Step 5: Solve for x
    x = 1,143,967,071.46/39,103.93
  6. Step 6: Final answer
    x = 29,254.53

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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.