Home / 47,672.68-71,520.58-14,390.75

Finding the Fourth Proportional to 47,672.68, 71,520.58 and 14,390.75

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Solution

The fourth proportional to 47,672.68, 71,520.58 and 14,390.75 is: 21,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,672.68 : 71,520.58 = 14,390.75 : x
  2. Step 2: Convert to fraction form
    47,672.68/71,520.58 = 14,390.75/x
  3. Step 3: Cross multiply
    47,672.68x = 71,520.58 × 14,390.75
  4. Step 4: Simplify right side
    47,672.68x = 1,029,235,054.84
  5. Step 5: Solve for x
    x = 1,029,235,054.84/47,672.68
  6. Step 6: Final answer
    x = 21,589.62

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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.