Home / 40,064.73-60,078.84-21,339.96

Finding the Fourth Proportional to 40,064.73, 60,078.84 and 21,339.96

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Solution

The fourth proportional to 40,064.73, 60,078.84 and 21,339.96 is: 32,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.73 : 60,078.84 = 21,339.96 : x
  2. Step 2: Convert to fraction form
    40,064.73/60,078.84 = 21,339.96/x
  3. Step 3: Cross multiply
    40,064.73x = 60,078.84 × 21,339.96
  4. Step 4: Simplify right side
    40,064.73x = 1,282,080,042.45
  5. Step 5: Solve for x
    x = 1,282,080,042.45/40,064.73
  6. Step 6: Final answer
    x = 32,000.22

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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.