Home / 43,023.97-64,552.50-20,835.64

Finding the Fourth Proportional to 43,023.97, 64,552.50 and 20,835.64

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Solution

The fourth proportional to 43,023.97, 64,552.50 and 20,835.64 is: 31,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,023.97 : 64,552.50 = 20,835.64 : x
  2. Step 2: Convert to fraction form
    43,023.97/64,552.50 = 20,835.64/x
  3. Step 3: Cross multiply
    43,023.97x = 64,552.50 × 20,835.64
  4. Step 4: Simplify right side
    43,023.97x = 1,344,992,651.10
  5. Step 5: Solve for x
    x = 1,344,992,651.10/43,023.97
  6. Step 6: Final answer
    x = 31,261.47

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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.