Home / 29,516.18-40,747.10-18,771.86

Finding the Fourth Proportional to 29,516.18, 40,747.10 and 18,771.86

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Solution

The fourth proportional to 29,516.18, 40,747.10 and 18,771.86 is: 25,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,516.18 : 40,747.10 = 18,771.86 : x
  2. Step 2: Convert to fraction form
    29,516.18/40,747.10 = 18,771.86/x
  3. Step 3: Cross multiply
    29,516.18x = 40,747.10 × 18,771.86
  4. Step 4: Simplify right side
    29,516.18x = 764,898,856.61
  5. Step 5: Solve for x
    x = 764,898,856.61/29,516.18
  6. Step 6: Final answer
    x = 25,914.56

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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.