Home / 60,516.66-90,787.32-21,076.86

Finding the Fourth Proportional to 60,516.66, 90,787.32 and 21,076.86

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Solution

The fourth proportional to 60,516.66, 90,787.32 and 21,076.86 is: 31,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,516.66 : 90,787.32 = 21,076.86 : x
  2. Step 2: Convert to fraction form
    60,516.66/90,787.32 = 21,076.86/x
  3. Step 3: Cross multiply
    60,516.66x = 90,787.32 × 21,076.86
  4. Step 4: Simplify right side
    60,516.66x = 1,913,511,633.42
  5. Step 5: Solve for x
    x = 1,913,511,633.42/60,516.66
  6. Step 6: Final answer
    x = 31,619.58

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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.