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Finding the Fourth Proportional to 44,172.84, 66,259.72 and 13,008.09

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Solution

The fourth proportional to 44,172.84, 66,259.72 and 13,008.09 is: 19,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,172.84 : 66,259.72 = 13,008.09 : x
  2. Step 2: Convert to fraction form
    44,172.84/66,259.72 = 13,008.09/x
  3. Step 3: Cross multiply
    44,172.84x = 66,259.72 × 13,008.09
  4. Step 4: Simplify right side
    44,172.84x = 861,912,665.87
  5. Step 5: Solve for x
    x = 861,912,665.87/44,172.84
  6. Step 6: Final answer
    x = 19,512.27

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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.