Home / 34,654.88-47,824.23-21,221.24

Finding the Fourth Proportional to 34,654.88, 47,824.23 and 21,221.24

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Solution

The fourth proportional to 34,654.88, 47,824.23 and 21,221.24 is: 29,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,654.88 : 47,824.23 = 21,221.24 : x
  2. Step 2: Convert to fraction form
    34,654.88/47,824.23 = 21,221.24/x
  3. Step 3: Cross multiply
    34,654.88x = 47,824.23 × 21,221.24
  4. Step 4: Simplify right side
    34,654.88x = 1,014,889,223.52
  5. Step 5: Solve for x
    x = 1,014,889,223.52/34,654.88
  6. Step 6: Final answer
    x = 29,285.61

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1.5x scale

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.