Home / 31,143.85-46,715.75-10,367.35

Finding the Fourth Proportional to 31,143.85, 46,715.75 and 10,367.35

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Solution

The fourth proportional to 31,143.85, 46,715.75 and 10,367.35 is: 15,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,143.85 : 46,715.75 = 10,367.35 : x
  2. Step 2: Convert to fraction form
    31,143.85/46,715.75 = 10,367.35/x
  3. Step 3: Cross multiply
    31,143.85x = 46,715.75 × 10,367.35
  4. Step 4: Simplify right side
    31,143.85x = 484,318,530.76
  5. Step 5: Solve for x
    x = 484,318,530.76/31,143.85
  6. Step 6: Final answer
    x = 15,551.02

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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.