Home / 53,363.48-80,086.54-20,113.79

Finding the Fourth Proportional to 53,363.48, 80,086.54 and 20,113.79

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Solution

The fourth proportional to 53,363.48, 80,086.54 and 20,113.79 is: 30,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,363.48 : 80,086.54 = 20,113.79 : x
  2. Step 2: Convert to fraction form
    53,363.48/80,086.54 = 20,113.79/x
  3. Step 3: Cross multiply
    53,363.48x = 80,086.54 × 20,113.79
  4. Step 4: Simplify right side
    53,363.48x = 1,610,843,847.39
  5. Step 5: Solve for x
    x = 1,610,843,847.39/53,363.48
  6. Step 6: Final answer
    x = 30,186.26

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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.