Home / 19,961.25-29,941.07-5,920.71

Finding the Fourth Proportional to 19,961.25, 29,941.07 and 5,920.71

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Solution

The fourth proportional to 19,961.25, 29,941.07 and 5,920.71 is: 8,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.25 : 29,941.07 = 5,920.71 : x
  2. Step 2: Convert to fraction form
    19,961.25/29,941.07 = 5,920.71/x
  3. Step 3: Cross multiply
    19,961.25x = 29,941.07 × 5,920.71
  4. Step 4: Simplify right side
    19,961.25x = 177,272,362.96
  5. Step 5: Solve for x
    x = 177,272,362.96/19,961.25
  6. Step 6: Final answer
    x = 8,880.82

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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.