Home / 40,664.70-60,948.45-20,933.10

Finding the Fourth Proportional to 40,664.70, 60,948.45 and 20,933.10

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Solution

The fourth proportional to 40,664.70, 60,948.45 and 20,933.10 is: 31,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,664.70 : 60,948.45 = 20,933.10 : x
  2. Step 2: Convert to fraction form
    40,664.70/60,948.45 = 20,933.10/x
  3. Step 3: Cross multiply
    40,664.70x = 60,948.45 × 20,933.10
  4. Step 4: Simplify right side
    40,664.70x = 1,275,839,998.70
  5. Step 5: Solve for x
    x = 1,275,839,998.70/40,664.70
  6. Step 6: Final answer
    x = 31,374.63

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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.