Home / 66,257.96-91,434.33-37,961.82

Finding the Fourth Proportional to 66,257.96, 91,434.33 and 37,961.82

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Solution

The fourth proportional to 66,257.96, 91,434.33 and 37,961.82 is: 52,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.96 : 91,434.33 = 37,961.82 : x
  2. Step 2: Convert to fraction form
    66,257.96/91,434.33 = 37,961.82/x
  3. Step 3: Cross multiply
    66,257.96x = 91,434.33 × 37,961.82
  4. Step 4: Simplify right side
    66,257.96x = 3,471,013,577.28
  5. Step 5: Solve for x
    x = 3,471,013,577.28/66,257.96
  6. Step 6: Final answer
    x = 52,386.37

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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.