Home / 47,206.30-70,793.13-20,929.42

Finding the Fourth Proportional to 47,206.30, 70,793.13 and 20,929.42

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Solution

The fourth proportional to 47,206.30, 70,793.13 and 20,929.42 is: 31,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,206.30 : 70,793.13 = 20,929.42 : x
  2. Step 2: Convert to fraction form
    47,206.30/70,793.13 = 20,929.42/x
  3. Step 3: Cross multiply
    47,206.30x = 70,793.13 × 20,929.42
  4. Step 4: Simplify right side
    47,206.30x = 1,481,659,150.88
  5. Step 5: Solve for x
    x = 1,481,659,150.88/47,206.30
  6. Step 6: Final answer
    x = 31,386.89

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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.