Home / 49,998.60-74,997.90-31,336.20

Finding the Fourth Proportional to 49,998.60, 74,997.90 and 31,336.20

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Solution

The fourth proportional to 49,998.60, 74,997.90 and 31,336.20 is: 47,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,998.60 : 74,997.90 = 31,336.20 : x
  2. Step 2: Convert to fraction form
    49,998.60/74,997.90 = 31,336.20/x
  3. Step 3: Cross multiply
    49,998.60x = 74,997.90 × 31,336.20
  4. Step 4: Simplify right side
    49,998.60x = 2,350,149,193.98
  5. Step 5: Solve for x
    x = 2,350,149,193.98/49,998.60
  6. Step 6: Final answer
    x = 47,004.30

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1.5x scale

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.