Home / 49,665.15-74,415.79-28,622.86

Finding the Fourth Proportional to 49,665.15, 74,415.79 and 28,622.86

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Solution

The fourth proportional to 49,665.15, 74,415.79 and 28,622.86 is: 42,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,665.15 : 74,415.79 = 28,622.86 : x
  2. Step 2: Convert to fraction form
    49,665.15/74,415.79 = 28,622.86/x
  3. Step 3: Cross multiply
    49,665.15x = 74,415.79 × 28,622.86
  4. Step 4: Simplify right side
    49,665.15x = 2,129,992,738.96
  5. Step 5: Solve for x
    x = 2,129,992,738.96/49,665.15
  6. Step 6: Final answer
    x = 42,887.07

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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.