Home / 44,399.10-66,489.30-20,998.20

Finding the Fourth Proportional to 44,399.10, 66,489.30 and 20,998.20

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Solution

The fourth proportional to 44,399.10, 66,489.30 and 20,998.20 is: 31,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,399.10 : 66,489.30 = 20,998.20 : x
  2. Step 2: Convert to fraction form
    44,399.10/66,489.30 = 20,998.20/x
  3. Step 3: Cross multiply
    44,399.10x = 66,489.30 × 20,998.20
  4. Step 4: Simplify right side
    44,399.10x = 1,396,155,619.26
  5. Step 5: Solve for x
    x = 1,396,155,619.26/44,399.10
  6. Step 6: Final answer
    x = 31,445.58

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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.