Home / 37,479.92-51,722.34-21,564.05

Finding the Fourth Proportional to 37,479.92, 51,722.34 and 21,564.05

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Solution

The fourth proportional to 37,479.92, 51,722.34 and 21,564.05 is: 29,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,479.92 : 51,722.34 = 21,564.05 : x
  2. Step 2: Convert to fraction form
    37,479.92/51,722.34 = 21,564.05/x
  3. Step 3: Cross multiply
    37,479.92x = 51,722.34 × 21,564.05
  4. Step 4: Simplify right side
    37,479.92x = 1,115,343,125.88
  5. Step 5: Solve for x
    x = 1,115,343,125.88/37,479.92
  6. Step 6: Final answer
    x = 29,758.42

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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.