Home / 51,317.12-76,983.74-21,735.12

Finding the Fourth Proportional to 51,317.12, 76,983.74 and 21,735.12

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Solution

The fourth proportional to 51,317.12, 76,983.74 and 21,735.12 is: 32,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,317.12 : 76,983.74 = 21,735.12 : x
  2. Step 2: Convert to fraction form
    51,317.12/76,983.74 = 21,735.12/x
  3. Step 3: Cross multiply
    51,317.12x = 76,983.74 × 21,735.12
  4. Step 4: Simplify right side
    51,317.12x = 1,673,250,826.95
  5. Step 5: Solve for x
    x = 1,673,250,826.95/51,317.12
  6. Step 6: Final answer
    x = 32,606.09

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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.