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Finding the Fourth Proportional to 44,379.01, 66,567.50 and 20,661.00

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Solution

The fourth proportional to 44,379.01, 66,567.50 and 20,661.00 is: 30,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,379.01 : 66,567.50 = 20,661.00 : x
  2. Step 2: Convert to fraction form
    44,379.01/66,567.50 = 20,661.00/x
  3. Step 3: Cross multiply
    44,379.01x = 66,567.50 × 20,661.00
  4. Step 4: Simplify right side
    44,379.01x = 1,375,350,971.16
  5. Step 5: Solve for x
    x = 1,375,350,971.16/44,379.01
  6. Step 6: Final answer
    x = 30,991.02

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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.