Home / 34,294.47-51,447.84-12,120.72

Finding the Fourth Proportional to 34,294.47, 51,447.84 and 12,120.72

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Solution

The fourth proportional to 34,294.47, 51,447.84 and 12,120.72 is: 18,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,294.47 : 51,447.84 = 12,120.72 : x
  2. Step 2: Convert to fraction form
    34,294.47/51,447.84 = 12,120.72/x
  3. Step 3: Cross multiply
    34,294.47x = 51,447.84 × 12,120.72
  4. Step 4: Simplify right side
    34,294.47x = 623,584,863.24
  5. Step 5: Solve for x
    x = 623,584,863.24/34,294.47
  6. Step 6: Final answer
    x = 18,183.25

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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.