Home / 47,427.12-71,144.73-12,366.75

Finding the Fourth Proportional to 47,427.12, 71,144.73 and 12,366.75

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Solution

The fourth proportional to 47,427.12, 71,144.73 and 12,366.75 is: 18,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,427.12 : 71,144.73 = 12,366.75 : x
  2. Step 2: Convert to fraction form
    47,427.12/71,144.73 = 12,366.75/x
  3. Step 3: Cross multiply
    47,427.12x = 71,144.73 × 12,366.75
  4. Step 4: Simplify right side
    47,427.12x = 879,829,089.73
  5. Step 5: Solve for x
    x = 879,829,089.73/47,427.12
  6. Step 6: Final answer
    x = 18,551.18

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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.