Home / 34,620.35-47,776.13-18,704.84

Finding the Fourth Proportional to 34,620.35, 47,776.13 and 18,704.84

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Solution

The fourth proportional to 34,620.35, 47,776.13 and 18,704.84 is: 25,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,620.35 : 47,776.13 = 18,704.84 : x
  2. Step 2: Convert to fraction form
    34,620.35/47,776.13 = 18,704.84/x
  3. Step 3: Cross multiply
    34,620.35x = 47,776.13 × 18,704.84
  4. Step 4: Simplify right side
    34,620.35x = 893,644,535.06
  5. Step 5: Solve for x
    x = 893,644,535.06/34,620.35
  6. Step 6: Final answer
    x = 25,812.70

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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.