Home / 40,153.78-55,410.58-22,249.54

Finding the Fourth Proportional to 40,153.78, 55,410.58 and 22,249.54

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Solution

The fourth proportional to 40,153.78, 55,410.58 and 22,249.54 is: 30,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.78 : 55,410.58 = 22,249.54 : x
  2. Step 2: Convert to fraction form
    40,153.78/55,410.58 = 22,249.54/x
  3. Step 3: Cross multiply
    40,153.78x = 55,410.58 × 22,249.54
  4. Step 4: Simplify right side
    40,153.78x = 1,232,859,916.13
  5. Step 5: Solve for x
    x = 1,232,859,916.13/40,153.78
  6. Step 6: Final answer
    x = 30,703.46

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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.