Home / 55,305.80-76,308.30-32,645.24

Finding the Fourth Proportional to 55,305.80, 76,308.30 and 32,645.24

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Solution

The fourth proportional to 55,305.80, 76,308.30 and 32,645.24 is: 45,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.80 : 76,308.30 = 32,645.24 : x
  2. Step 2: Convert to fraction form
    55,305.80/76,308.30 = 32,645.24/x
  3. Step 3: Cross multiply
    55,305.80x = 76,308.30 × 32,645.24
  4. Step 4: Simplify right side
    55,305.80x = 2,491,102,767.49
  5. Step 5: Solve for x
    x = 2,491,102,767.49/55,305.80
  6. Step 6: Final answer
    x = 45,042.34

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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.