Home / 55,230.08-82,795.28-20,161.44

Finding the Fourth Proportional to 55,230.08, 82,795.28 and 20,161.44

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Solution

The fourth proportional to 55,230.08, 82,795.28 and 20,161.44 is: 30,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.08 : 82,795.28 = 20,161.44 : x
  2. Step 2: Convert to fraction form
    55,230.08/82,795.28 = 20,161.44/x
  3. Step 3: Cross multiply
    55,230.08x = 82,795.28 × 20,161.44
  4. Step 4: Simplify right side
    55,230.08x = 1,669,272,070.00
  5. Step 5: Solve for x
    x = 1,669,272,070.00/55,230.08
  6. Step 6: Final answer
    x = 30,223.97

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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.