Home / 39,746.49-54,792.34-27,772.66

Finding the Fourth Proportional to 39,746.49, 54,792.34 and 27,772.66

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Solution

The fourth proportional to 39,746.49, 54,792.34 and 27,772.66 is: 38,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,746.49 : 54,792.34 = 27,772.66 : x
  2. Step 2: Convert to fraction form
    39,746.49/54,792.34 = 27,772.66/x
  3. Step 3: Cross multiply
    39,746.49x = 54,792.34 × 27,772.66
  4. Step 4: Simplify right side
    39,746.49x = 1,521,729,029.42
  5. Step 5: Solve for x
    x = 1,521,729,029.42/39,746.49
  6. Step 6: Final answer
    x = 38,285.87

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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.