Home / 49,108.80-73,663.20-28,372.80

Finding the Fourth Proportional to 49,108.80, 73,663.20 and 28,372.80

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Solution

The fourth proportional to 49,108.80, 73,663.20 and 28,372.80 is: 42,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,108.80 : 73,663.20 = 28,372.80 : x
  2. Step 2: Convert to fraction form
    49,108.80/73,663.20 = 28,372.80/x
  3. Step 3: Cross multiply
    49,108.80x = 73,663.20 × 28,372.80
  4. Step 4: Simplify right side
    49,108.80x = 2,090,031,240.96
  5. Step 5: Solve for x
    x = 2,090,031,240.96/49,108.80
  6. Step 6: Final answer
    x = 42,559.20

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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.