Home / 39,920.33-59,870.28-11,833.82

Finding the Fourth Proportional to 39,920.33, 59,870.28 and 11,833.82

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Solution

The fourth proportional to 39,920.33, 59,870.28 and 11,833.82 is: 17,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,920.33 : 59,870.28 = 11,833.82 : x
  2. Step 2: Convert to fraction form
    39,920.33/59,870.28 = 11,833.82/x
  3. Step 3: Cross multiply
    39,920.33x = 59,870.28 × 11,833.82
  4. Step 4: Simplify right side
    39,920.33x = 708,494,246.47
  5. Step 5: Solve for x
    x = 708,494,246.47/39,920.33
  6. Step 6: Final answer
    x = 17,747.70

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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.