Home / 32,489.09-44,810.96-20,540.90

Finding the Fourth Proportional to 32,489.09, 44,810.96 and 20,540.90

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Solution

The fourth proportional to 32,489.09, 44,810.96 and 20,540.90 is: 28,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,489.09 : 44,810.96 = 20,540.90 : x
  2. Step 2: Convert to fraction form
    32,489.09/44,810.96 = 20,540.90/x
  3. Step 3: Cross multiply
    32,489.09x = 44,810.96 × 20,540.90
  4. Step 4: Simplify right side
    32,489.09x = 920,457,121.50
  5. Step 5: Solve for x
    x = 920,457,121.50/32,489.09
  6. Step 6: Final answer
    x = 28,331.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.