Home / 47,929.70-71,902.47-21,633.86

Finding the Fourth Proportional to 47,929.70, 71,902.47 and 21,633.86

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Solution

The fourth proportional to 47,929.70, 71,902.47 and 21,633.86 is: 32,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,929.70 : 71,902.47 = 21,633.86 : x
  2. Step 2: Convert to fraction form
    47,929.70/71,902.47 = 21,633.86/x
  3. Step 3: Cross multiply
    47,929.70x = 71,902.47 × 21,633.86
  4. Step 4: Simplify right side
    47,929.70x = 1,555,527,969.63
  5. Step 5: Solve for x
    x = 1,555,527,969.63/47,929.70
  6. Step 6: Final answer
    x = 32,454.36

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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.