Home / 61,711.41-85,161.89-33,417.09

Finding the Fourth Proportional to 61,711.41, 85,161.89 and 33,417.09

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Solution

The fourth proportional to 61,711.41, 85,161.89 and 33,417.09 is: 46,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,711.41 : 85,161.89 = 33,417.09 : x
  2. Step 2: Convert to fraction form
    61,711.41/85,161.89 = 33,417.09/x
  3. Step 3: Cross multiply
    61,711.41x = 85,161.89 × 33,417.09
  4. Step 4: Simplify right side
    61,711.41x = 2,845,862,542.70
  5. Step 5: Solve for x
    x = 2,845,862,542.70/61,711.41
  6. Step 6: Final answer
    x = 46,115.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.