Home / 55,253.57-76,250.43-30,103.07

Finding the Fourth Proportional to 55,253.57, 76,250.43 and 30,103.07

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Solution

The fourth proportional to 55,253.57, 76,250.43 and 30,103.07 is: 41,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.57 : 76,250.43 = 30,103.07 : x
  2. Step 2: Convert to fraction form
    55,253.57/76,250.43 = 30,103.07/x
  3. Step 3: Cross multiply
    55,253.57x = 76,250.43 × 30,103.07
  4. Step 4: Simplify right side
    55,253.57x = 2,295,371,650.57
  5. Step 5: Solve for x
    x = 2,295,371,650.57/55,253.57
  6. Step 6: Final answer
    x = 41,542.51

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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.