Home / 40,086.75-60,112.35-21,363.30

Finding the Fourth Proportional to 40,086.75, 60,112.35 and 21,363.30

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Solution

The fourth proportional to 40,086.75, 60,112.35 and 21,363.30 is: 32,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.75 : 60,112.35 = 21,363.30 : x
  2. Step 2: Convert to fraction form
    40,086.75/60,112.35 = 21,363.30/x
  3. Step 3: Cross multiply
    40,086.75x = 60,112.35 × 21,363.30
  4. Step 4: Simplify right side
    40,086.75x = 1,284,197,812.79
  5. Step 5: Solve for x
    x = 1,284,197,812.79/40,086.75
  6. Step 6: Final answer
    x = 32,035.47

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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.