Home / 40,398.66-60,610.32-14,105.64

Finding the Fourth Proportional to 40,398.66, 60,610.32 and 14,105.64

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Solution

The fourth proportional to 40,398.66, 60,610.32 and 14,105.64 is: 21,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398.66 : 60,610.32 = 14,105.64 : x
  2. Step 2: Convert to fraction form
    40,398.66/60,610.32 = 14,105.64/x
  3. Step 3: Cross multiply
    40,398.66x = 60,610.32 × 14,105.64
  4. Step 4: Simplify right side
    40,398.66x = 854,947,354.20
  5. Step 5: Solve for x
    x = 854,947,354.20/40,398.66
  6. Step 6: Final answer
    x = 21,162.77

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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.