Home / 40,771.49-61,107.02-19,435.41

Finding the Fourth Proportional to 40,771.49, 61,107.02 and 19,435.41

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Solution

The fourth proportional to 40,771.49, 61,107.02 and 19,435.41 is: 29,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,771.49 : 61,107.02 = 19,435.41 : x
  2. Step 2: Convert to fraction form
    40,771.49/61,107.02 = 19,435.41/x
  3. Step 3: Cross multiply
    40,771.49x = 61,107.02 × 19,435.41
  4. Step 4: Simplify right side
    40,771.49x = 1,187,639,987.58
  5. Step 5: Solve for x
    x = 1,187,639,987.58/40,771.49
  6. Step 6: Final answer
    x = 29,129.18

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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.