Home / 33,344.80-46,021.98-21,423.04

Finding the Fourth Proportional to 33,344.80, 46,021.98 and 21,423.04

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Solution

The fourth proportional to 33,344.80, 46,021.98 and 21,423.04 is: 29,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,344.80 : 46,021.98 = 21,423.04 : x
  2. Step 2: Convert to fraction form
    33,344.80/46,021.98 = 21,423.04/x
  3. Step 3: Cross multiply
    33,344.80x = 46,021.98 × 21,423.04
  4. Step 4: Simplify right side
    33,344.80x = 985,930,718.42
  5. Step 5: Solve for x
    x = 985,930,718.42/33,344.80
  6. Step 6: Final answer
    x = 29,567.75

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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.