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Finding the Fourth Proportional to 44,606.50, 66,935.67 and 19,982.50

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Solution

The fourth proportional to 44,606.50, 66,935.67 and 19,982.50 is: 29,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,606.50 : 66,935.67 = 19,982.50 : x
  2. Step 2: Convert to fraction form
    44,606.50/66,935.67 = 19,982.50/x
  3. Step 3: Cross multiply
    44,606.50x = 66,935.67 × 19,982.50
  4. Step 4: Simplify right side
    44,606.50x = 1,337,542,025.78
  5. Step 5: Solve for x
    x = 1,337,542,025.78/44,606.50
  6. Step 6: Final answer
    x = 29,985.36

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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.