Home / 34,620.35-47,775.94-18,704.76

Finding the Fourth Proportional to 34,620.35, 47,775.94 and 18,704.76

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Solution

The fourth proportional to 34,620.35, 47,775.94 and 18,704.76 is: 25,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,620.35 : 47,775.94 = 18,704.76 : x
  2. Step 2: Convert to fraction form
    34,620.35/47,775.94 = 18,704.76/x
  3. Step 3: Cross multiply
    34,620.35x = 47,775.94 × 18,704.76
  4. Step 4: Simplify right side
    34,620.35x = 893,637,491.47
  5. Step 5: Solve for x
    x = 893,637,491.47/34,620.35
  6. Step 6: Final answer
    x = 25,812.49

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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.