Home / 51,147.40-76,721.10-16,097.80

Finding the Fourth Proportional to 51,147.40, 76,721.10 and 16,097.80

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Solution

The fourth proportional to 51,147.40, 76,721.10 and 16,097.80 is: 24,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,147.40 : 76,721.10 = 16,097.80 : x
  2. Step 2: Convert to fraction form
    51,147.40/76,721.10 = 16,097.80/x
  3. Step 3: Cross multiply
    51,147.40x = 76,721.10 × 16,097.80
  4. Step 4: Simplify right side
    51,147.40x = 1,235,040,923.58
  5. Step 5: Solve for x
    x = 1,235,040,923.58/51,147.40
  6. Step 6: Final answer
    x = 24,146.70

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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.