Home / 47,934.10-71,910.37-21,638.84

Finding the Fourth Proportional to 47,934.10, 71,910.37 and 21,638.84

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Solution

The fourth proportional to 47,934.10, 71,910.37 and 21,638.84 is: 32,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,934.10 : 71,910.37 = 21,638.84 : x
  2. Step 2: Convert to fraction form
    47,934.10/71,910.37 = 21,638.84/x
  3. Step 3: Cross multiply
    47,934.10x = 71,910.37 × 21,638.84
  4. Step 4: Simplify right side
    47,934.10x = 1,556,056,990.77
  5. Step 5: Solve for x
    x = 1,556,056,990.77/47,934.10
  6. Step 6: Final answer
    x = 32,462.43

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1.5x scale

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.