Home / 55,273.80-76,274.10-30,122.76

Finding the Fourth Proportional to 55,273.80, 76,274.10 and 30,122.76

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Solution

The fourth proportional to 55,273.80, 76,274.10 and 30,122.76 is: 41,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.80 : 76,274.10 = 30,122.76 : x
  2. Step 2: Convert to fraction form
    55,273.80/76,274.10 = 30,122.76/x
  3. Step 3: Cross multiply
    55,273.80x = 76,274.10 × 30,122.76
  4. Step 4: Simplify right side
    55,273.80x = 2,297,586,408.52
  5. Step 5: Solve for x
    x = 2,297,586,408.52/55,273.80
  6. Step 6: Final answer
    x = 41,567.37

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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.