Home / 34,916.45-48,180.80-20,575.35

Finding the Fourth Proportional to 34,916.45, 48,180.80 and 20,575.35

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Solution

The fourth proportional to 34,916.45, 48,180.80 and 20,575.35 is: 28,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,916.45 : 48,180.80 = 20,575.35 : x
  2. Step 2: Convert to fraction form
    34,916.45/48,180.80 = 20,575.35/x
  3. Step 3: Cross multiply
    34,916.45x = 48,180.80 × 20,575.35
  4. Step 4: Simplify right side
    34,916.45x = 991,336,720.40
  5. Step 5: Solve for x
    x = 991,336,720.40/34,916.45
  6. Step 6: Final answer
    x = 28,391.69

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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.