Home / 31,230.93-46,849.68-10,172.61

Finding the Fourth Proportional to 31,230.93, 46,849.68 and 10,172.61

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Solution

The fourth proportional to 31,230.93, 46,849.68 and 10,172.61 is: 15,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230.93 : 46,849.68 = 10,172.61 : x
  2. Step 2: Convert to fraction form
    31,230.93/46,849.68 = 10,172.61/x
  3. Step 3: Cross multiply
    31,230.93x = 46,849.68 × 10,172.61
  4. Step 4: Simplify right side
    31,230.93x = 476,583,626.42
  5. Step 5: Solve for x
    x = 476,583,626.42/31,230.93
  6. Step 6: Final answer
    x = 15,259.99

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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.