Home / 51,819.22-77,728.83-14,379.30

Finding the Fourth Proportional to 51,819.22, 77,728.83 and 14,379.30

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Solution

The fourth proportional to 51,819.22, 77,728.83 and 14,379.30 is: 21,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,819.22 : 77,728.83 = 14,379.30 : x
  2. Step 2: Convert to fraction form
    51,819.22/77,728.83 = 14,379.30/x
  3. Step 3: Cross multiply
    51,819.22x = 77,728.83 × 14,379.30
  4. Step 4: Simplify right side
    51,819.22x = 1,117,686,165.22
  5. Step 5: Solve for x
    x = 1,117,686,165.22/51,819.22
  6. Step 6: Final answer
    x = 21,568.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.