Home / 34,388.18-47,464.13-20,966.84

Finding the Fourth Proportional to 34,388.18, 47,464.13 and 20,966.84

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Solution

The fourth proportional to 34,388.18, 47,464.13 and 20,966.84 is: 28,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,388.18 : 47,464.13 = 20,966.84 : x
  2. Step 2: Convert to fraction form
    34,388.18/47,464.13 = 20,966.84/x
  3. Step 3: Cross multiply
    34,388.18x = 47,464.13 × 20,966.84
  4. Step 4: Simplify right side
    34,388.18x = 995,172,819.45
  5. Step 5: Solve for x
    x = 995,172,819.45/34,388.18
  6. Step 6: Final answer
    x = 28,939.39

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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.