Home / 31,143.25-46,715.28-10,366.75

Finding the Fourth Proportional to 31,143.25, 46,715.28 and 10,366.75

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Solution

The fourth proportional to 31,143.25, 46,715.28 and 10,366.75 is: 15,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,143.25 : 46,715.28 = 10,366.75 : x
  2. Step 2: Convert to fraction form
    31,143.25/46,715.28 = 10,366.75/x
  3. Step 3: Cross multiply
    31,143.25x = 46,715.28 × 10,366.75
  4. Step 4: Simplify right side
    31,143.25x = 484,285,628.94
  5. Step 5: Solve for x
    x = 484,285,628.94/31,143.25
  6. Step 6: Final answer
    x = 15,550.26

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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.