Home / 47,694.24-71,535.96-12,155.40

Finding the Fourth Proportional to 47,694.24, 71,535.96 and 12,155.40

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Solution

The fourth proportional to 47,694.24, 71,535.96 and 12,155.40 is: 18,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,694.24 : 71,535.96 = 12,155.40 : x
  2. Step 2: Convert to fraction form
    47,694.24/71,535.96 = 12,155.40/x
  3. Step 3: Cross multiply
    47,694.24x = 71,535.96 × 12,155.40
  4. Step 4: Simplify right side
    47,694.24x = 869,548,208.18
  5. Step 5: Solve for x
    x = 869,548,208.18/47,694.24
  6. Step 6: Final answer
    x = 18,231.72

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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.