Home / 30,111.66-45,151.19-23,911.56

Finding the Fourth Proportional to 30,111.66, 45,151.19 and 23,911.56

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Solution

The fourth proportional to 30,111.66, 45,151.19 and 23,911.56 is: 35,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.66 : 45,151.19 = 23,911.56 : x
  2. Step 2: Convert to fraction form
    30,111.66/45,151.19 = 23,911.56/x
  3. Step 3: Cross multiply
    30,111.66x = 45,151.19 × 23,911.56
  4. Step 4: Simplify right side
    30,111.66x = 1,079,635,163.00
  5. Step 5: Solve for x
    x = 1,079,635,163.00/30,111.66
  6. Step 6: Final answer
    x = 35,854.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.