Home / 47,730.60-71,595.90-30,890.70

Finding the Fourth Proportional to 47,730.60, 71,595.90 and 30,890.70

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Solution

The fourth proportional to 47,730.60, 71,595.90 and 30,890.70 is: 46,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,730.60 : 71,595.90 = 30,890.70 : x
  2. Step 2: Convert to fraction form
    47,730.60/71,595.90 = 30,890.70/x
  3. Step 3: Cross multiply
    47,730.60x = 71,595.90 × 30,890.70
  4. Step 4: Simplify right side
    47,730.60x = 2,211,647,468.13
  5. Step 5: Solve for x
    x = 2,211,647,468.13/47,730.60
  6. Step 6: Final answer
    x = 46,336.05

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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.