Home / 49,919.16-74,838.90-28,835.16

Finding the Fourth Proportional to 49,919.16, 74,838.90 and 28,835.16

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Solution

The fourth proportional to 49,919.16, 74,838.90 and 28,835.16 is: 43,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.16 : 74,838.90 = 28,835.16 : x
  2. Step 2: Convert to fraction form
    49,919.16/74,838.90 = 28,835.16/x
  3. Step 3: Cross multiply
    49,919.16x = 74,838.90 × 28,835.16
  4. Step 4: Simplify right side
    49,919.16x = 2,157,991,655.72
  5. Step 5: Solve for x
    x = 2,157,991,655.72/49,919.16
  6. Step 6: Final answer
    x = 43,229.73

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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.