Home / 55,383.89-76,449.49-32,722.99

Finding the Fourth Proportional to 55,383.89, 76,449.49 and 32,722.99

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Solution

The fourth proportional to 55,383.89, 76,449.49 and 32,722.99 is: 45,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,383.89 : 76,449.49 = 32,722.99 : x
  2. Step 2: Convert to fraction form
    55,383.89/76,449.49 = 32,722.99/x
  3. Step 3: Cross multiply
    55,383.89x = 76,449.49 × 32,722.99
  4. Step 4: Simplify right side
    55,383.89x = 2,501,655,623.84
  5. Step 5: Solve for x
    x = 2,501,655,623.84/55,383.89
  6. Step 6: Final answer
    x = 45,169.38

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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.