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Finding the Fourth Proportional to 44,644.71, 66,967.07 and 21,200.07

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Solution

The fourth proportional to 44,644.71, 66,967.07 and 21,200.07 is: 31,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,644.71 : 66,967.07 = 21,200.07 : x
  2. Step 2: Convert to fraction form
    44,644.71/66,967.07 = 21,200.07/x
  3. Step 3: Cross multiply
    44,644.71x = 66,967.07 × 21,200.07
  4. Step 4: Simplify right side
    44,644.71x = 1,419,706,465.69
  5. Step 5: Solve for x
    x = 1,419,706,465.69/44,644.71
  6. Step 6: Final answer
    x = 31,800.11

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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.