Home / 40,645.49-60,987.68-14,362.61

Finding the Fourth Proportional to 40,645.49, 60,987.68 and 14,362.61

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Solution

The fourth proportional to 40,645.49, 60,987.68 and 14,362.61 is: 21,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,645.49 : 60,987.68 = 14,362.61 : x
  2. Step 2: Convert to fraction form
    40,645.49/60,987.68 = 14,362.61/x
  3. Step 3: Cross multiply
    40,645.49x = 60,987.68 × 14,362.61
  4. Step 4: Simplify right side
    40,645.49x = 875,942,451.02
  5. Step 5: Solve for x
    x = 875,942,451.02/40,645.49
  6. Step 6: Final answer
    x = 21,550.79

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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.