Home / 53,103.87-73,266.78-30,129.93

Finding the Fourth Proportional to 53,103.87, 73,266.78 and 30,129.93

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Solution

The fourth proportional to 53,103.87, 73,266.78 and 30,129.93 is: 41,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,103.87 : 73,266.78 = 30,129.93 : x
  2. Step 2: Convert to fraction form
    53,103.87/73,266.78 = 30,129.93/x
  3. Step 3: Cross multiply
    53,103.87x = 73,266.78 × 30,129.93
  4. Step 4: Simplify right side
    53,103.87x = 2,207,522,952.73
  5. Step 5: Solve for x
    x = 2,207,522,952.73/53,103.87
  6. Step 6: Final answer
    x = 41,569.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.