Home / 53,074.80-79,616.30-21,469.91

Finding the Fourth Proportional to 53,074.80, 79,616.30 and 21,469.91

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Solution

The fourth proportional to 53,074.80, 79,616.30 and 21,469.91 is: 32,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,074.80 : 79,616.30 = 21,469.91 : x
  2. Step 2: Convert to fraction form
    53,074.80/79,616.30 = 21,469.91/x
  3. Step 3: Cross multiply
    53,074.80x = 79,616.30 × 21,469.91
  4. Step 4: Simplify right side
    53,074.80x = 1,709,354,290.10
  5. Step 5: Solve for x
    x = 1,709,354,290.10/53,074.80
  6. Step 6: Final answer
    x = 32,206.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.