Home / 47,105.27-70,658.31-13,825.88

Finding the Fourth Proportional to 47,105.27, 70,658.31 and 13,825.88

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Solution

The fourth proportional to 47,105.27, 70,658.31 and 13,825.88 is: 20,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,105.27 : 70,658.31 = 13,825.88 : x
  2. Step 2: Convert to fraction form
    47,105.27/70,658.31 = 13,825.88/x
  3. Step 3: Cross multiply
    47,105.27x = 70,658.31 × 13,825.88
  4. Step 4: Simplify right side
    47,105.27x = 976,913,315.06
  5. Step 5: Solve for x
    x = 976,913,315.06/47,105.27
  6. Step 6: Final answer
    x = 20,738.94

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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.