Home / 31,293-46,939.50-10,516.50

Finding the Fourth Proportional to 31,293, 46,939.50 and 10,516.50

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Solution

The fourth proportional to 31,293, 46,939.50 and 10,516.50 is: 15,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293 : 46,939.50 = 10,516.50 : x
  2. Step 2: Convert to fraction form
    31,293/46,939.50 = 10,516.50/x
  3. Step 3: Cross multiply
    31,293x = 46,939.50 × 10,516.50
  4. Step 4: Simplify right side
    31,293x = 493,639,251.75
  5. Step 5: Solve for x
    x = 493,639,251.75/31,293
  6. Step 6: Final answer
    x = 15,774.75

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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.