Home / 39,506.90-54,519.14-21,601.71

Finding the Fourth Proportional to 39,506.90, 54,519.14 and 21,601.71

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Solution

The fourth proportional to 39,506.90, 54,519.14 and 21,601.71 is: 29,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,506.90 : 54,519.14 = 21,601.71 : x
  2. Step 2: Convert to fraction form
    39,506.90/54,519.14 = 21,601.71/x
  3. Step 3: Cross multiply
    39,506.90x = 54,519.14 × 21,601.71
  4. Step 4: Simplify right side
    39,506.90x = 1,177,706,705.73
  5. Step 5: Solve for x
    x = 1,177,706,705.73/39,506.90
  6. Step 6: Final answer
    x = 29,810.16

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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.