Home / 51,143.58-76,716.18-15,605.64

Finding the Fourth Proportional to 51,143.58, 76,716.18 and 15,605.64

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Solution

The fourth proportional to 51,143.58, 76,716.18 and 15,605.64 is: 23,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143.58 : 76,716.18 = 15,605.64 : x
  2. Step 2: Convert to fraction form
    51,143.58/76,716.18 = 15,605.64/x
  3. Step 3: Cross multiply
    51,143.58x = 76,716.18 × 15,605.64
  4. Step 4: Simplify right side
    51,143.58x = 1,197,205,087.26
  5. Step 5: Solve for x
    x = 1,197,205,087.26/51,143.58
  6. Step 6: Final answer
    x = 23,408.71

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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.