Home / 40,018.73-60,064.43-21,314.61

Finding the Fourth Proportional to 40,018.73, 60,064.43 and 21,314.61

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Solution

The fourth proportional to 40,018.73, 60,064.43 and 21,314.61 is: 31,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.73 : 60,064.43 = 21,314.61 : x
  2. Step 2: Convert to fraction form
    40,018.73/60,064.43 = 21,314.61/x
  3. Step 3: Cross multiply
    40,018.73x = 60,064.43 × 21,314.61
  4. Step 4: Simplify right side
    40,018.73x = 1,280,249,793.75
  5. Step 5: Solve for x
    x = 1,280,249,793.75/40,018.73
  6. Step 6: Final answer
    x = 31,991.27

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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.