Home / 39,751.81-54,857.32-22,755.96

Finding the Fourth Proportional to 39,751.81, 54,857.32 and 22,755.96

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Solution

The fourth proportional to 39,751.81, 54,857.32 and 22,755.96 is: 31,403.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.81 : 54,857.32 = 22,755.96 : x
  2. Step 2: Convert to fraction form
    39,751.81/54,857.32 = 22,755.96/x
  3. Step 3: Cross multiply
    39,751.81x = 54,857.32 × 22,755.96
  4. Step 4: Simplify right side
    39,751.81x = 1,248,330,979.63
  5. Step 5: Solve for x
    x = 1,248,330,979.63/39,751.81
  6. Step 6: Final answer
    x = 31,403.12

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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.