Home / 49,572.97-68,406.47-28,348.81

Finding the Fourth Proportional to 49,572.97, 68,406.47 and 28,348.81

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Solution

The fourth proportional to 49,572.97, 68,406.47 and 28,348.81 is: 39,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572.97 : 68,406.47 = 28,348.81 : x
  2. Step 2: Convert to fraction form
    49,572.97/68,406.47 = 28,348.81/x
  3. Step 3: Cross multiply
    49,572.97x = 68,406.47 × 28,348.81
  4. Step 4: Simplify right side
    49,572.97x = 1,939,241,879.06
  5. Step 5: Solve for x
    x = 1,939,241,879.06/49,572.97
  6. Step 6: Final answer
    x = 39,118.94

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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.