Home / 53,977.20-74,488.86-30,105.41

Finding the Fourth Proportional to 53,977.20, 74,488.86 and 30,105.41

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Solution

The fourth proportional to 53,977.20, 74,488.86 and 30,105.41 is: 41,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,977.20 : 74,488.86 = 30,105.41 : x
  2. Step 2: Convert to fraction form
    53,977.20/74,488.86 = 30,105.41/x
  3. Step 3: Cross multiply
    53,977.20x = 74,488.86 × 30,105.41
  4. Step 4: Simplify right side
    53,977.20x = 2,242,517,856.95
  5. Step 5: Solve for x
    x = 2,242,517,856.95/53,977.20
  6. Step 6: Final answer
    x = 41,545.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.