Home / 34,916.18-48,189.52-20,571.43

Finding the Fourth Proportional to 34,916.18, 48,189.52 and 20,571.43

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Solution

The fourth proportional to 34,916.18, 48,189.52 and 20,571.43 is: 28,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,916.18 : 48,189.52 = 20,571.43 : x
  2. Step 2: Convert to fraction form
    34,916.18/48,189.52 = 20,571.43/x
  3. Step 3: Cross multiply
    34,916.18x = 48,189.52 × 20,571.43
  4. Step 4: Simplify right side
    34,916.18x = 991,327,143.14
  5. Step 5: Solve for x
    x = 991,327,143.14/34,916.18
  6. Step 6: Final answer
    x = 28,391.63

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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.