Home / 49,187.90-73,855.65-28,151.69

Finding the Fourth Proportional to 49,187.90, 73,855.65 and 28,151.69

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Solution

The fourth proportional to 49,187.90, 73,855.65 and 28,151.69 is: 42,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,187.90 : 73,855.65 = 28,151.69 : x
  2. Step 2: Convert to fraction form
    49,187.90/73,855.65 = 28,151.69/x
  3. Step 3: Cross multiply
    49,187.90x = 73,855.65 × 28,151.69
  4. Step 4: Simplify right side
    49,187.90x = 2,079,160,994.27
  5. Step 5: Solve for x
    x = 2,079,160,994.27/49,187.90
  6. Step 6: Final answer
    x = 42,269.77

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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.