Home / 31,209.82-46,819.18-10,143.09

Finding the Fourth Proportional to 31,209.82, 46,819.18 and 10,143.09

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Solution

The fourth proportional to 31,209.82, 46,819.18 and 10,143.09 is: 15,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.82 : 46,819.18 = 10,143.09 : x
  2. Step 2: Convert to fraction form
    31,209.82/46,819.18 = 10,143.09/x
  3. Step 3: Cross multiply
    31,209.82x = 46,819.18 × 10,143.09
  4. Step 4: Simplify right side
    31,209.82x = 474,891,126.35
  5. Step 5: Solve for x
    x = 474,891,126.35/31,209.82
  6. Step 6: Final answer
    x = 15,216.08

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1.5x scale

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.