Home / 40,416.78-60,631.92-18,229.67

Finding the Fourth Proportional to 40,416.78, 60,631.92 and 18,229.67

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Solution

The fourth proportional to 40,416.78, 60,631.92 and 18,229.67 is: 27,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,416.78 : 60,631.92 = 18,229.67 : x
  2. Step 2: Convert to fraction form
    40,416.78/60,631.92 = 18,229.67/x
  3. Step 3: Cross multiply
    40,416.78x = 60,631.92 × 18,229.67
  4. Step 4: Simplify right side
    40,416.78x = 1,105,299,589.91
  5. Step 5: Solve for x
    x = 1,105,299,589.91/40,416.78
  6. Step 6: Final answer
    x = 27,347.54

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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.