Home / 47,531.52-71,286.48-21,222

Finding the Fourth Proportional to 47,531.52, 71,286.48 and 21,222

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Solution

The fourth proportional to 47,531.52, 71,286.48 and 21,222 is: 31,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,531.52 : 71,286.48 = 21,222 : x
  2. Step 2: Convert to fraction form
    47,531.52/71,286.48 = 21,222/x
  3. Step 3: Cross multiply
    47,531.52x = 71,286.48 × 21,222
  4. Step 4: Simplify right side
    47,531.52x = 1,512,841,678.56
  5. Step 5: Solve for x
    x = 1,512,841,678.56/47,531.52
  6. Step 6: Final answer
    x = 31,828.18

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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.