Home / 34,883.12-48,121.80-20,725.94

Finding the Fourth Proportional to 34,883.12, 48,121.80 and 20,725.94

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Solution

The fourth proportional to 34,883.12, 48,121.80 and 20,725.94 is: 28,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,883.12 : 48,121.80 = 20,725.94 : x
  2. Step 2: Convert to fraction form
    34,883.12/48,121.80 = 20,725.94/x
  3. Step 3: Cross multiply
    34,883.12x = 48,121.80 × 20,725.94
  4. Step 4: Simplify right side
    34,883.12x = 997,369,582.07
  5. Step 5: Solve for x
    x = 997,369,582.07/34,883.12
  6. Step 6: Final answer
    x = 28,591.75

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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.