Home / 69,305.60-103,942.71-31,829.64

Finding the Fourth Proportional to 69,305.60, 103,942.71 and 31,829.64

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Solution

The fourth proportional to 69,305.60, 103,942.71 and 31,829.64 is: 47,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,305.60 : 103,942.71 = 31,829.64 : x
  2. Step 2: Convert to fraction form
    69,305.60/103,942.71 = 31,829.64/x
  3. Step 3: Cross multiply
    69,305.60x = 103,942.71 × 31,829.64
  4. Step 4: Simplify right side
    69,305.60x = 3,308,459,319.67
  5. Step 5: Solve for x
    x = 3,308,459,319.67/69,305.60
  6. Step 6: Final answer
    x = 47,737.26

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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.