Home / 55,222.70-76,205.13-30,072.20

Finding the Fourth Proportional to 55,222.70, 76,205.13 and 30,072.20

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Solution

The fourth proportional to 55,222.70, 76,205.13 and 30,072.20 is: 41,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222.70 : 76,205.13 = 30,072.20 : x
  2. Step 2: Convert to fraction form
    55,222.70/76,205.13 = 30,072.20/x
  3. Step 3: Cross multiply
    55,222.70x = 76,205.13 × 30,072.20
  4. Step 4: Simplify right side
    55,222.70x = 2,291,655,910.39
  5. Step 5: Solve for x
    x = 2,291,655,910.39/55,222.70
  6. Step 6: Final answer
    x = 41,498.44

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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.