Home / 40,814.90-61,215.14-11,225.60

Finding the Fourth Proportional to 40,814.90, 61,215.14 and 11,225.60

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Solution

The fourth proportional to 40,814.90, 61,215.14 and 11,225.60 is: 16,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.90 : 61,215.14 = 11,225.60 : x
  2. Step 2: Convert to fraction form
    40,814.90/61,215.14 = 11,225.60/x
  3. Step 3: Cross multiply
    40,814.90x = 61,215.14 × 11,225.60
  4. Step 4: Simplify right side
    40,814.90x = 687,176,313.38
  5. Step 5: Solve for x
    x = 687,176,313.38/40,814.90
  6. Step 6: Final answer
    x = 16,836.41

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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.