Home / 55,747.97-76,929.50-31,877.27

Finding the Fourth Proportional to 55,747.97, 76,929.50 and 31,877.27

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Solution

The fourth proportional to 55,747.97, 76,929.50 and 31,877.27 is: 43,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747.97 : 76,929.50 = 31,877.27 : x
  2. Step 2: Convert to fraction form
    55,747.97/76,929.50 = 31,877.27/x
  3. Step 3: Cross multiply
    55,747.97x = 76,929.50 × 31,877.27
  4. Step 4: Simplify right side
    55,747.97x = 2,452,302,137.51
  5. Step 5: Solve for x
    x = 2,452,302,137.51/55,747.97
  6. Step 6: Final answer
    x = 43,989.09

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1.5x scale

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.