Home / 32,758.08-45,193.32-20,160.96

Finding the Fourth Proportional to 32,758.08, 45,193.32 and 20,160.96

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Solution

The fourth proportional to 32,758.08, 45,193.32 and 20,160.96 is: 27,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,758.08 : 45,193.32 = 20,160.96 : x
  2. Step 2: Convert to fraction form
    32,758.08/45,193.32 = 20,160.96/x
  3. Step 3: Cross multiply
    32,758.08x = 45,193.32 × 20,160.96
  4. Step 4: Simplify right side
    32,758.08x = 911,140,716.79
  5. Step 5: Solve for x
    x = 911,140,716.79/32,758.08
  6. Step 6: Final answer
    x = 27,814.23

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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.