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Finding the Fourth Proportional to 39,846.99, 54,987.08 and 22,839.04

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Solution

The fourth proportional to 39,846.99, 54,987.08 and 22,839.04 is: 31,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,846.99 : 54,987.08 = 22,839.04 : x
  2. Step 2: Convert to fraction form
    39,846.99/54,987.08 = 22,839.04/x
  3. Step 3: Cross multiply
    39,846.99x = 54,987.08 × 22,839.04
  4. Step 4: Simplify right side
    39,846.99x = 1,255,852,074.14
  5. Step 5: Solve for x
    x = 1,255,852,074.14/39,846.99
  6. Step 6: Final answer
    x = 31,516.86

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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.