Home / 47,390.71-71,062.23-15,789.58

Finding the Fourth Proportional to 47,390.71, 71,062.23 and 15,789.58

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Solution

The fourth proportional to 47,390.71, 71,062.23 and 15,789.58 is: 23,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.71 : 71,062.23 = 15,789.58 : x
  2. Step 2: Convert to fraction form
    47,390.71/71,062.23 = 15,789.58/x
  3. Step 3: Cross multiply
    47,390.71x = 71,062.23 × 15,789.58
  4. Step 4: Simplify right side
    47,390.71x = 1,122,042,765.56
  5. Step 5: Solve for x
    x = 1,122,042,765.56/47,390.71
  6. Step 6: Final answer
    x = 23,676.43

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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.