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Finding the Fourth Proportional to 66,936.50, 100,340.71 and 24,805.26

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Solution

The fourth proportional to 66,936.50, 100,340.71 and 24,805.26 is: 37,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936.50 : 100,340.71 = 24,805.26 : x
  2. Step 2: Convert to fraction form
    66,936.50/100,340.71 = 24,805.26/x
  3. Step 3: Cross multiply
    66,936.50x = 100,340.71 × 24,805.26
  4. Step 4: Simplify right side
    66,936.50x = 2,488,977,400.13
  5. Step 5: Solve for x
    x = 2,488,977,400.13/66,936.50
  6. Step 6: Final answer
    x = 37,184.16

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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.