Home / 40,898.75-61,349.57-11,318.81

Finding the Fourth Proportional to 40,898.75, 61,349.57 and 11,318.81

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Solution

The fourth proportional to 40,898.75, 61,349.57 and 11,318.81 is: 16,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898.75 : 61,349.57 = 11,318.81 : x
  2. Step 2: Convert to fraction form
    40,898.75/61,349.57 = 11,318.81/x
  3. Step 3: Cross multiply
    40,898.75x = 61,349.57 × 11,318.81
  4. Step 4: Simplify right side
    40,898.75x = 694,404,126.41
  5. Step 5: Solve for x
    x = 694,404,126.41/40,898.75
  6. Step 6: Final answer
    x = 16,978.61

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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.