Home / 53,449.56-73,700.03-39,977.64

Finding the Fourth Proportional to 53,449.56, 73,700.03 and 39,977.64

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Solution

The fourth proportional to 53,449.56, 73,700.03 and 39,977.64 is: 55,123.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,449.56 : 73,700.03 = 39,977.64 : x
  2. Step 2: Convert to fraction form
    53,449.56/73,700.03 = 39,977.64/x
  3. Step 3: Cross multiply
    53,449.56x = 73,700.03 × 39,977.64
  4. Step 4: Simplify right side
    53,449.56x = 2,946,353,067.44
  5. Step 5: Solve for x
    x = 2,946,353,067.44/53,449.56
  6. Step 6: Final answer
    x = 55,123.99

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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.