Home / 40,892.20-61,394.46-21,184.36

Finding the Fourth Proportional to 40,892.20, 61,394.46 and 21,184.36

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Solution

The fourth proportional to 40,892.20, 61,394.46 and 21,184.36 is: 31,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,892.20 : 61,394.46 = 21,184.36 : x
  2. Step 2: Convert to fraction form
    40,892.20/61,394.46 = 21,184.36/x
  3. Step 3: Cross multiply
    40,892.20x = 61,394.46 × 21,184.36
  4. Step 4: Simplify right side
    40,892.20x = 1,300,602,342.65
  5. Step 5: Solve for x
    x = 1,300,602,342.65/40,892.20
  6. Step 6: Final answer
    x = 31,805.63

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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.