Home / 41,019.16-61,485.54-21,276.76

Finding the Fourth Proportional to 41,019.16, 61,485.54 and 21,276.76

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Solution

The fourth proportional to 41,019.16, 61,485.54 and 21,276.76 is: 31,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,019.16 : 61,485.54 = 21,276.76 : x
  2. Step 2: Convert to fraction form
    41,019.16/61,485.54 = 21,276.76/x
  3. Step 3: Cross multiply
    41,019.16x = 61,485.54 × 21,276.76
  4. Step 4: Simplify right side
    41,019.16x = 1,308,213,078.05
  5. Step 5: Solve for x
    x = 1,308,213,078.05/41,019.16
  6. Step 6: Final answer
    x = 31,892.73

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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.