Home / 40,486.31-55,871.19-22,580.85

Finding the Fourth Proportional to 40,486.31, 55,871.19 and 22,580.85

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Solution

The fourth proportional to 40,486.31, 55,871.19 and 22,580.85 is: 31,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.31 : 55,871.19 = 22,580.85 : x
  2. Step 2: Convert to fraction form
    40,486.31/55,871.19 = 22,580.85/x
  3. Step 3: Cross multiply
    40,486.31x = 55,871.19 × 22,580.85
  4. Step 4: Simplify right side
    40,486.31x = 1,261,618,847.81
  5. Step 5: Solve for x
    x = 1,261,618,847.81/40,486.31
  6. Step 6: Final answer
    x = 31,161.62

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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.