Home / 40,217.31-55,500.80-22,311.65

Finding the Fourth Proportional to 40,217.31, 55,500.80 and 22,311.65

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Solution

The fourth proportional to 40,217.31, 55,500.80 and 22,311.65 is: 30,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.31 : 55,500.80 = 22,311.65 : x
  2. Step 2: Convert to fraction form
    40,217.31/55,500.80 = 22,311.65/x
  3. Step 3: Cross multiply
    40,217.31x = 55,500.80 × 22,311.65
  4. Step 4: Simplify right side
    40,217.31x = 1,238,314,451.51
  5. Step 5: Solve for x
    x = 1,238,314,451.51/40,217.31
  6. Step 6: Final answer
    x = 30,790.58

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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.