Home / 47,929.64-71,903.70-21,634.41

Finding the Fourth Proportional to 47,929.64, 71,903.70 and 21,634.41

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Solution

The fourth proportional to 47,929.64, 71,903.70 and 21,634.41 is: 32,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,929.64 : 71,903.70 = 21,634.41 : x
  2. Step 2: Convert to fraction form
    47,929.64/71,903.70 = 21,634.41/x
  3. Step 3: Cross multiply
    47,929.64x = 71,903.70 × 21,634.41
  4. Step 4: Simplify right side
    47,929.64x = 1,555,593,991.50
  5. Step 5: Solve for x
    x = 1,555,593,991.50/47,929.64
  6. Step 6: Final answer
    x = 32,455.78

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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.