Home / 40,435.56-60,662.57-12,359.61

Finding the Fourth Proportional to 40,435.56, 60,662.57 and 12,359.61

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Solution

The fourth proportional to 40,435.56, 60,662.57 and 12,359.61 is: 18,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,435.56 : 60,662.57 = 12,359.61 : x
  2. Step 2: Convert to fraction form
    40,435.56/60,662.57 = 12,359.61/x
  3. Step 3: Cross multiply
    40,435.56x = 60,662.57 × 12,359.61
  4. Step 4: Simplify right side
    40,435.56x = 749,765,341.69
  5. Step 5: Solve for x
    x = 749,765,341.69/40,435.56
  6. Step 6: Final answer
    x = 18,542.23

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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.