Home / 51,053.10-76,594.24-21,455.70

Finding the Fourth Proportional to 51,053.10, 76,594.24 and 21,455.70

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Solution

The fourth proportional to 51,053.10, 76,594.24 and 21,455.70 is: 32,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,053.10 : 76,594.24 = 21,455.70 : x
  2. Step 2: Convert to fraction form
    51,053.10/76,594.24 = 21,455.70/x
  3. Step 3: Cross multiply
    51,053.10x = 76,594.24 × 21,455.70
  4. Step 4: Simplify right side
    51,053.10x = 1,643,383,035.17
  5. Step 5: Solve for x
    x = 1,643,383,035.17/51,053.10
  6. Step 6: Final answer
    x = 32,189.68

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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.