Home / 39,946.78-59,872.49-18,570.61

Finding the Fourth Proportional to 39,946.78, 59,872.49 and 18,570.61

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Solution

The fourth proportional to 39,946.78, 59,872.49 and 18,570.61 is: 27,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.78 : 59,872.49 = 18,570.61 : x
  2. Step 2: Convert to fraction form
    39,946.78/59,872.49 = 18,570.61/x
  3. Step 3: Cross multiply
    39,946.78x = 59,872.49 × 18,570.61
  4. Step 4: Simplify right side
    39,946.78x = 1,111,868,661.52
  5. Step 5: Solve for x
    x = 1,111,868,661.52/39,946.78
  6. Step 6: Final answer
    x = 27,833.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.