Home / 40,964.40-61,438.20-11,374.80

Finding the Fourth Proportional to 40,964.40, 61,438.20 and 11,374.80

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Solution

The fourth proportional to 40,964.40, 61,438.20 and 11,374.80 is: 17,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,964.40 : 61,438.20 = 11,374.80 : x
  2. Step 2: Convert to fraction form
    40,964.40/61,438.20 = 11,374.80/x
  3. Step 3: Cross multiply
    40,964.40x = 61,438.20 × 11,374.80
  4. Step 4: Simplify right side
    40,964.40x = 698,847,237.36
  5. Step 5: Solve for x
    x = 698,847,237.36/40,964.40
  6. Step 6: Final answer
    x = 17,059.87

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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.