Home / 47,310.40-70,879.20-38,497.60

Finding the Fourth Proportional to 47,310.40, 70,879.20 and 38,497.60

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Solution

The fourth proportional to 47,310.40, 70,879.20 and 38,497.60 is: 57,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.40 : 70,879.20 = 38,497.60 : x
  2. Step 2: Convert to fraction form
    47,310.40/70,879.20 = 38,497.60/x
  3. Step 3: Cross multiply
    47,310.40x = 70,879.20 × 38,497.60
  4. Step 4: Simplify right side
    47,310.40x = 2,728,679,089.92
  5. Step 5: Solve for x
    x = 2,728,679,089.92/47,310.40
  6. Step 6: Final answer
    x = 57,676.09

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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.