Home / 35,143.78-48,499.11-19,228.57

Finding the Fourth Proportional to 35,143.78, 48,499.11 and 19,228.57

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Solution

The fourth proportional to 35,143.78, 48,499.11 and 19,228.57 is: 26,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,143.78 : 48,499.11 = 19,228.57 : x
  2. Step 2: Convert to fraction form
    35,143.78/48,499.11 = 19,228.57/x
  3. Step 3: Cross multiply
    35,143.78x = 48,499.11 × 19,228.57
  4. Step 4: Simplify right side
    35,143.78x = 932,568,289.08
  5. Step 5: Solve for x
    x = 932,568,289.08/35,143.78
  6. Step 6: Final answer
    x = 26,535.80

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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.