Home / 32,105.96-44,291.25-20,779.10

Finding the Fourth Proportional to 32,105.96, 44,291.25 and 20,779.10

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Solution

The fourth proportional to 32,105.96, 44,291.25 and 20,779.10 is: 28,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,105.96 : 44,291.25 = 20,779.10 : x
  2. Step 2: Convert to fraction form
    32,105.96/44,291.25 = 20,779.10/x
  3. Step 3: Cross multiply
    32,105.96x = 44,291.25 × 20,779.10
  4. Step 4: Simplify right side
    32,105.96x = 920,332,312.88
  5. Step 5: Solve for x
    x = 920,332,312.88/32,105.96
  6. Step 6: Final answer
    x = 28,665.47

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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.