Home / 43,249.60-64,730.40-31,369.60

Finding the Fourth Proportional to 43,249.60, 64,730.40 and 31,369.60

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Solution

The fourth proportional to 43,249.60, 64,730.40 and 31,369.60 is: 46,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,249.60 : 64,730.40 = 31,369.60 : x
  2. Step 2: Convert to fraction form
    43,249.60/64,730.40 = 31,369.60/x
  3. Step 3: Cross multiply
    43,249.60x = 64,730.40 × 31,369.60
  4. Step 4: Simplify right side
    43,249.60x = 2,030,566,755.84
  5. Step 5: Solve for x
    x = 2,030,566,755.84/43,249.60
  6. Step 6: Final answer
    x = 46,949.95

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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.