Home / 40,467.79-60,728.96-14,172.76

Finding the Fourth Proportional to 40,467.79, 60,728.96 and 14,172.76

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Solution

The fourth proportional to 40,467.79, 60,728.96 and 14,172.76 is: 21,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,467.79 : 60,728.96 = 14,172.76 : x
  2. Step 2: Convert to fraction form
    40,467.79/60,728.96 = 14,172.76/x
  3. Step 3: Cross multiply
    40,467.79x = 60,728.96 × 14,172.76
  4. Step 4: Simplify right side
    40,467.79x = 860,696,975.13
  5. Step 5: Solve for x
    x = 860,696,975.13/40,467.79
  6. Step 6: Final answer
    x = 21,268.69

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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.