Home / 41,020.66-61,487.79-21,278.26

Finding the Fourth Proportional to 41,020.66, 61,487.79 and 21,278.26

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Solution

The fourth proportional to 41,020.66, 61,487.79 and 21,278.26 is: 31,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,020.66 : 61,487.79 = 21,278.26 : x
  2. Step 2: Convert to fraction form
    41,020.66/61,487.79 = 21,278.26/x
  3. Step 3: Cross multiply
    41,020.66x = 61,487.79 × 21,278.26
  4. Step 4: Simplify right side
    41,020.66x = 1,308,353,182.45
  5. Step 5: Solve for x
    x = 1,308,353,182.45/41,020.66
  6. Step 6: Final answer
    x = 31,894.98

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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.