Home / 61,004.73-91,470.93-18,872.34

Finding the Fourth Proportional to 61,004.73, 91,470.93 and 18,872.34

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Solution

The fourth proportional to 61,004.73, 91,470.93 and 18,872.34 is: 28,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,004.73 : 91,470.93 = 18,872.34 : x
  2. Step 2: Convert to fraction form
    61,004.73/91,470.93 = 18,872.34/x
  3. Step 3: Cross multiply
    61,004.73x = 91,470.93 × 18,872.34
  4. Step 4: Simplify right side
    61,004.73x = 1,726,270,491.08
  5. Step 5: Solve for x
    x = 1,726,270,491.08/61,004.73
  6. Step 6: Final answer
    x = 28,297.32

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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.