Home / 53,815.70-80,723.61-25,729.15

Finding the Fourth Proportional to 53,815.70, 80,723.61 and 25,729.15

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Solution

The fourth proportional to 53,815.70, 80,723.61 and 25,729.15 is: 38,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,815.70 : 80,723.61 = 25,729.15 : x
  2. Step 2: Convert to fraction form
    53,815.70/80,723.61 = 25,729.15/x
  3. Step 3: Cross multiply
    53,815.70x = 80,723.61 × 25,729.15
  4. Step 4: Simplify right side
    53,815.70x = 2,076,949,668.42
  5. Step 5: Solve for x
    x = 2,076,949,668.42/53,815.70
  6. Step 6: Final answer
    x = 38,593.75

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1.5x scale

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.