Home / 47,399.08-71,098.38-12,338.68

Finding the Fourth Proportional to 47,399.08, 71,098.38 and 12,338.68

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Solution

The fourth proportional to 47,399.08, 71,098.38 and 12,338.68 is: 18,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399.08 : 71,098.38 = 12,338.68 : x
  2. Step 2: Convert to fraction form
    47,399.08/71,098.38 = 12,338.68/x
  3. Step 3: Cross multiply
    47,399.08x = 71,098.38 × 12,338.68
  4. Step 4: Simplify right side
    47,399.08x = 877,260,159.34
  5. Step 5: Solve for x
    x = 877,260,159.34/47,399.08
  6. Step 6: Final answer
    x = 18,507.96

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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.