Home / 31,034.30-46,543.19-13,500

Finding the Fourth Proportional to 31,034.30, 46,543.19 and 13,500

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Solution

The fourth proportional to 31,034.30, 46,543.19 and 13,500 is: 20,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,034.30 : 46,543.19 = 13,500 : x
  2. Step 2: Convert to fraction form
    31,034.30/46,543.19 = 13,500/x
  3. Step 3: Cross multiply
    31,034.30x = 46,543.19 × 13,500
  4. Step 4: Simplify right side
    31,034.30x = 628,332,997.50
  5. Step 5: Solve for x
    x = 628,332,997.50/31,034.30
  6. Step 6: Final answer
    x = 20,246.41

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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.