Home / 40,868.38-61,303.34-11,287.00

Finding the Fourth Proportional to 40,868.38, 61,303.34 and 11,287.00

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Solution

The fourth proportional to 40,868.38, 61,303.34 and 11,287.00 is: 16,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.38 : 61,303.34 = 11,287.00 : x
  2. Step 2: Convert to fraction form
    40,868.38/61,303.34 = 11,287.00/x
  3. Step 3: Cross multiply
    40,868.38x = 61,303.34 × 11,287.00
  4. Step 4: Simplify right side
    40,868.38x = 691,930,903.43
  5. Step 5: Solve for x
    x = 691,930,903.43/40,868.38
  6. Step 6: Final answer
    x = 16,930.71

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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.