Home / 41,007.60-61,521.96-12,928.56

Finding the Fourth Proportional to 41,007.60, 61,521.96 and 12,928.56

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Solution

The fourth proportional to 41,007.60, 61,521.96 and 12,928.56 is: 19,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,007.60 : 61,521.96 = 12,928.56 : x
  2. Step 2: Convert to fraction form
    41,007.60/61,521.96 = 12,928.56/x
  3. Step 3: Cross multiply
    41,007.60x = 61,521.96 × 12,928.56
  4. Step 4: Simplify right side
    41,007.60x = 795,390,351.18
  5. Step 5: Solve for x
    x = 795,390,351.18/41,007.60
  6. Step 6: Final answer
    x = 19,396.17

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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.