Home / 52,676.07-72,694.29-31,979.81

Finding the Fourth Proportional to 52,676.07, 72,694.29 and 31,979.81

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Solution

The fourth proportional to 52,676.07, 72,694.29 and 31,979.81 is: 44,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,676.07 : 72,694.29 = 31,979.81 : x
  2. Step 2: Convert to fraction form
    52,676.07/72,694.29 = 31,979.81/x
  3. Step 3: Cross multiply
    52,676.07x = 72,694.29 × 31,979.81
  4. Step 4: Simplify right side
    52,676.07x = 2,324,749,582.28
  5. Step 5: Solve for x
    x = 2,324,749,582.28/52,676.07
  6. Step 6: Final answer
    x = 44,132.94

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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.