Home / 35,174.86-48,541.92-21,745.78

Finding the Fourth Proportional to 35,174.86, 48,541.92 and 21,745.78

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Solution

The fourth proportional to 35,174.86, 48,541.92 and 21,745.78 is: 30,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,174.86 : 48,541.92 = 21,745.78 : x
  2. Step 2: Convert to fraction form
    35,174.86/48,541.92 = 21,745.78/x
  3. Step 3: Cross multiply
    35,174.86x = 48,541.92 × 21,745.78
  4. Step 4: Simplify right side
    35,174.86x = 1,055,581,913.10
  5. Step 5: Solve for x
    x = 1,055,581,913.10/35,174.86
  6. Step 6: Final answer
    x = 30,009.56

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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.