Home / 40,037.89-55,251.53-22,132.51

Finding the Fourth Proportional to 40,037.89, 55,251.53 and 22,132.51

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Solution

The fourth proportional to 40,037.89, 55,251.53 and 22,132.51 is: 30,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.89 : 55,251.53 = 22,132.51 : x
  2. Step 2: Convert to fraction form
    40,037.89/55,251.53 = 22,132.51/x
  3. Step 3: Cross multiply
    40,037.89x = 55,251.53 × 22,132.51
  4. Step 4: Simplify right side
    40,037.89x = 1,222,854,791.45
  5. Step 5: Solve for x
    x = 1,222,854,791.45/40,037.89
  6. Step 6: Final answer
    x = 30,542.44

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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.