Home / 36,032.60-49,722.90-20,118.05

Finding the Fourth Proportional to 36,032.60, 49,722.90 and 20,118.05

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Solution

The fourth proportional to 36,032.60, 49,722.90 and 20,118.05 is: 27,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,032.60 : 49,722.90 = 20,118.05 : x
  2. Step 2: Convert to fraction form
    36,032.60/49,722.90 = 20,118.05/x
  3. Step 3: Cross multiply
    36,032.60x = 49,722.90 × 20,118.05
  4. Step 4: Simplify right side
    36,032.60x = 1,000,327,788.35
  5. Step 5: Solve for x
    x = 1,000,327,788.35/36,032.60
  6. Step 6: Final answer
    x = 27,761.74

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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.