Home / 53,142.87-73,336.97-29,269.49

Finding the Fourth Proportional to 53,142.87, 73,336.97 and 29,269.49

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Solution

The fourth proportional to 53,142.87, 73,336.97 and 29,269.49 is: 40,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142.87 : 73,336.97 = 29,269.49 : x
  2. Step 2: Convert to fraction form
    53,142.87/73,336.97 = 29,269.49/x
  3. Step 3: Cross multiply
    53,142.87x = 73,336.97 × 29,269.49
  4. Step 4: Simplify right side
    53,142.87x = 2,146,535,197.01
  5. Step 5: Solve for x
    x = 2,146,535,197.01/53,142.87
  6. Step 6: Final answer
    x = 40,391.78

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1.5x scale

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.