Home / 40,376.58-60,571.92-13,719.78

Finding the Fourth Proportional to 40,376.58, 60,571.92 and 13,719.78

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Solution

The fourth proportional to 40,376.58, 60,571.92 and 13,719.78 is: 20,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,376.58 : 60,571.92 = 13,719.78 : x
  2. Step 2: Convert to fraction form
    40,376.58/60,571.92 = 13,719.78/x
  3. Step 3: Cross multiply
    40,376.58x = 60,571.92 × 13,719.78
  4. Step 4: Simplify right side
    40,376.58x = 831,033,416.58
  5. Step 5: Solve for x
    x = 831,033,416.58/40,376.58
  6. Step 6: Final answer
    x = 20,582.07

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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.