Home / 47,053.20-70,588.84-18,976.09

Finding the Fourth Proportional to 47,053.20, 70,588.84 and 18,976.09

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Solution

The fourth proportional to 47,053.20, 70,588.84 and 18,976.09 is: 28,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,053.20 : 70,588.84 = 18,976.09 : x
  2. Step 2: Convert to fraction form
    47,053.20/70,588.84 = 18,976.09/x
  3. Step 3: Cross multiply
    47,053.20x = 70,588.84 × 18,976.09
  4. Step 4: Simplify right side
    47,053.20x = 1,339,500,389.57
  5. Step 5: Solve for x
    x = 1,339,500,389.57/47,053.20
  6. Step 6: Final answer
    x = 28,467.79

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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.