Home / 47,640.58-71,455.39-12,582.97

Finding the Fourth Proportional to 47,640.58, 71,455.39 and 12,582.97

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Solution

The fourth proportional to 47,640.58, 71,455.39 and 12,582.97 is: 18,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,640.58 : 71,455.39 = 12,582.97 : x
  2. Step 2: Convert to fraction form
    47,640.58/71,455.39 = 12,582.97/x
  3. Step 3: Cross multiply
    47,640.58x = 71,455.39 × 12,582.97
  4. Step 4: Simplify right side
    47,640.58x = 899,120,818.61
  5. Step 5: Solve for x
    x = 899,120,818.61/47,640.58
  6. Step 6: Final answer
    x = 18,873.00

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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.