Home / 39,846.53-54,988.22-21,941.49

Finding the Fourth Proportional to 39,846.53, 54,988.22 and 21,941.49

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Solution

The fourth proportional to 39,846.53, 54,988.22 and 21,941.49 is: 30,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,846.53 : 54,988.22 = 21,941.49 : x
  2. Step 2: Convert to fraction form
    39,846.53/54,988.22 = 21,941.49/x
  3. Step 3: Cross multiply
    39,846.53x = 54,988.22 × 21,941.49
  4. Step 4: Simplify right side
    39,846.53x = 1,206,523,479.25
  5. Step 5: Solve for x
    x = 1,206,523,479.25/39,846.53
  6. Step 6: Final answer
    x = 30,279.26

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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.