Home / 53,552.85-80,252.33-30,129.81

Finding the Fourth Proportional to 53,552.85, 80,252.33 and 30,129.81

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Solution

The fourth proportional to 53,552.85, 80,252.33 and 30,129.81 is: 45,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,552.85 : 80,252.33 = 30,129.81 : x
  2. Step 2: Convert to fraction form
    53,552.85/80,252.33 = 30,129.81/x
  3. Step 3: Cross multiply
    53,552.85x = 80,252.33 × 30,129.81
  4. Step 4: Simplify right side
    53,552.85x = 2,417,987,304.31
  5. Step 5: Solve for x
    x = 2,417,987,304.31/53,552.85
  6. Step 6: Final answer
    x = 45,151.42

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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.