Home / 40,280.67-55,586.58-22,375.50

Finding the Fourth Proportional to 40,280.67, 55,586.58 and 22,375.50

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Solution

The fourth proportional to 40,280.67, 55,586.58 and 22,375.50 is: 30,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.67 : 55,586.58 = 22,375.50 : x
  2. Step 2: Convert to fraction form
    40,280.67/55,586.58 = 22,375.50/x
  3. Step 3: Cross multiply
    40,280.67x = 55,586.58 × 22,375.50
  4. Step 4: Simplify right side
    40,280.67x = 1,243,777,520.79
  5. Step 5: Solve for x
    x = 1,243,777,520.79/40,280.67
  6. Step 6: Final answer
    x = 30,877.78

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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.