Home / 31,257.50-46,870.30-10,183.99

Finding the Fourth Proportional to 31,257.50, 46,870.30 and 10,183.99

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Solution

The fourth proportional to 31,257.50, 46,870.30 and 10,183.99 is: 15,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.50 : 46,870.30 = 10,183.99 : x
  2. Step 2: Convert to fraction form
    31,257.50/46,870.30 = 10,183.99/x
  3. Step 3: Cross multiply
    31,257.50x = 46,870.30 × 10,183.99
  4. Step 4: Simplify right side
    31,257.50x = 477,326,666.50
  5. Step 5: Solve for x
    x = 477,326,666.50/31,257.50
  6. Step 6: Final answer
    x = 15,270.79

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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.