Home / 45,076.80-62,220.77-31,651.41

Finding the Fourth Proportional to 45,076.80, 62,220.77 and 31,651.41

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Solution

The fourth proportional to 45,076.80, 62,220.77 and 31,651.41 is: 43,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,076.80 : 62,220.77 = 31,651.41 : x
  2. Step 2: Convert to fraction form
    45,076.80/62,220.77 = 31,651.41/x
  3. Step 3: Cross multiply
    45,076.80x = 62,220.77 × 31,651.41
  4. Step 4: Simplify right side
    45,076.80x = 1,969,375,101.79
  5. Step 5: Solve for x
    x = 1,969,375,101.79/45,076.80
  6. Step 6: Final answer
    x = 43,689.33

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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.