Home / 53,363.21-80,086.10-20,113.52

Finding the Fourth Proportional to 53,363.21, 80,086.10 and 20,113.52

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Solution

The fourth proportional to 53,363.21, 80,086.10 and 20,113.52 is: 30,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,363.21 : 80,086.10 = 20,113.52 : x
  2. Step 2: Convert to fraction form
    53,363.21/80,086.10 = 20,113.52/x
  3. Step 3: Cross multiply
    53,363.21x = 80,086.10 × 20,113.52
  4. Step 4: Simplify right side
    53,363.21x = 1,610,812,873.07
  5. Step 5: Solve for x
    x = 1,610,812,873.07/53,363.21
  6. Step 6: Final answer
    x = 30,185.83

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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.