Home / 48,135.82-72,105.45-28,354.54

Finding the Fourth Proportional to 48,135.82, 72,105.45 and 28,354.54

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Solution

The fourth proportional to 48,135.82, 72,105.45 and 28,354.54 is: 42,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.82 : 72,105.45 = 28,354.54 : x
  2. Step 2: Convert to fraction form
    48,135.82/72,105.45 = 28,354.54/x
  3. Step 3: Cross multiply
    48,135.82x = 72,105.45 × 28,354.54
  4. Step 4: Simplify right side
    48,135.82x = 2,044,516,866.24
  5. Step 5: Solve for x
    x = 2,044,516,866.24/48,135.82
  6. Step 6: Final answer
    x = 42,473.92

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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.