Home / 45,577.08-68,324.04-15,978.60

Finding the Fourth Proportional to 45,577.08, 68,324.04 and 15,978.60

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Solution

The fourth proportional to 45,577.08, 68,324.04 and 15,978.60 is: 23,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,577.08 : 68,324.04 = 15,978.60 : x
  2. Step 2: Convert to fraction form
    45,577.08/68,324.04 = 15,978.60/x
  3. Step 3: Cross multiply
    45,577.08x = 68,324.04 × 15,978.60
  4. Step 4: Simplify right side
    45,577.08x = 1,091,722,505.54
  5. Step 5: Solve for x
    x = 1,091,722,505.54/45,577.08
  6. Step 6: Final answer
    x = 23,953.32

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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.