Home / 39,899.87-55,046.40-22,897.97

Finding the Fourth Proportional to 39,899.87, 55,046.40 and 22,897.97

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Solution

The fourth proportional to 39,899.87, 55,046.40 and 22,897.97 is: 31,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.87 : 55,046.40 = 22,897.97 : x
  2. Step 2: Convert to fraction form
    39,899.87/55,046.40 = 22,897.97/x
  3. Step 3: Cross multiply
    39,899.87x = 55,046.40 × 22,897.97
  4. Step 4: Simplify right side
    39,899.87x = 1,260,450,815.81
  5. Step 5: Solve for x
    x = 1,260,450,815.81/39,899.87
  6. Step 6: Final answer
    x = 31,590.35

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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.