Home / 31,288.24-46,936.28-10,230.40

Finding the Fourth Proportional to 31,288.24, 46,936.28 and 10,230.40

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Solution

The fourth proportional to 31,288.24, 46,936.28 and 10,230.40 is: 15,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.24 : 46,936.28 = 10,230.40 : x
  2. Step 2: Convert to fraction form
    31,288.24/46,936.28 = 10,230.40/x
  3. Step 3: Cross multiply
    31,288.24x = 46,936.28 × 10,230.40
  4. Step 4: Simplify right side
    31,288.24x = 480,176,918.91
  5. Step 5: Solve for x
    x = 480,176,918.91/31,288.24
  6. Step 6: Final answer
    x = 15,346.88

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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.