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Finding the Fourth Proportional to 66,992.18, 100,417.71 and 22,576.82

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Solution

The fourth proportional to 66,992.18, 100,417.71 and 22,576.82 is: 33,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,992.18 : 100,417.71 = 22,576.82 : x
  2. Step 2: Convert to fraction form
    66,992.18/100,417.71 = 22,576.82/x
  3. Step 3: Cross multiply
    66,992.18x = 100,417.71 × 22,576.82
  4. Step 4: Simplify right side
    66,992.18x = 2,267,112,563.48
  5. Step 5: Solve for x
    x = 2,267,112,563.48/66,992.18
  6. Step 6: Final answer
    x = 33,841.45

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1.5x scale

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.