Home / 40,984.40-61,468.20-11,394.80

Finding the Fourth Proportional to 40,984.40, 61,468.20 and 11,394.80

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Solution

The fourth proportional to 40,984.40, 61,468.20 and 11,394.80 is: 17,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,984.40 : 61,468.20 = 11,394.80 : x
  2. Step 2: Convert to fraction form
    40,984.40/61,468.20 = 11,394.80/x
  3. Step 3: Cross multiply
    40,984.40x = 61,468.20 × 11,394.80
  4. Step 4: Simplify right side
    40,984.40x = 700,417,845.36
  5. Step 5: Solve for x
    x = 700,417,845.36/40,984.40
  6. Step 6: Final answer
    x = 17,089.86

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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.