Home / 47,309.22-70,958.34-12,246.12

Finding the Fourth Proportional to 47,309.22, 70,958.34 and 12,246.12

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Solution

The fourth proportional to 47,309.22, 70,958.34 and 12,246.12 is: 18,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309.22 : 70,958.34 = 12,246.12 : x
  2. Step 2: Convert to fraction form
    47,309.22/70,958.34 = 12,246.12/x
  3. Step 3: Cross multiply
    47,309.22x = 70,958.34 × 12,246.12
  4. Step 4: Simplify right side
    47,309.22x = 868,964,346.64
  5. Step 5: Solve for x
    x = 868,964,346.64/47,309.22
  6. Step 6: Final answer
    x = 18,367.76

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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.