Home / 53,815.57-80,723.40-25,729

Finding the Fourth Proportional to 53,815.57, 80,723.40 and 25,729

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Solution

The fourth proportional to 53,815.57, 80,723.40 and 25,729 is: 38,593.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,815.57 : 80,723.40 = 25,729 : x
  2. Step 2: Convert to fraction form
    53,815.57/80,723.40 = 25,729/x
  3. Step 3: Cross multiply
    53,815.57x = 80,723.40 × 25,729
  4. Step 4: Simplify right side
    53,815.57x = 2,076,932,358.60
  5. Step 5: Solve for x
    x = 2,076,932,358.60/53,815.57
  6. Step 6: Final answer
    x = 38,593.52

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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.