Home / 31,209.80-46,819.68-10,148.21

Finding the Fourth Proportional to 31,209.80, 46,819.68 and 10,148.21

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Solution

The fourth proportional to 31,209.80, 46,819.68 and 10,148.21 is: 15,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.80 : 46,819.68 = 10,148.21 : x
  2. Step 2: Convert to fraction form
    31,209.80/46,819.68 = 10,148.21/x
  3. Step 3: Cross multiply
    31,209.80x = 46,819.68 × 10,148.21
  4. Step 4: Simplify right side
    31,209.80x = 475,135,710.67
  5. Step 5: Solve for x
    x = 475,135,710.67/31,209.80
  6. Step 6: Final answer
    x = 15,223.93

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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.