Home / 51,776.46-77,655.78-16,716.42

Finding the Fourth Proportional to 51,776.46, 77,655.78 and 16,716.42

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Solution

The fourth proportional to 51,776.46, 77,655.78 and 16,716.42 is: 25,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,776.46 : 77,655.78 = 16,716.42 : x
  2. Step 2: Convert to fraction form
    51,776.46/77,655.78 = 16,716.42/x
  3. Step 3: Cross multiply
    51,776.46x = 77,655.78 × 16,716.42
  4. Step 4: Simplify right side
    51,776.46x = 1,298,126,633.91
  5. Step 5: Solve for x
    x = 1,298,126,633.91/51,776.46
  6. Step 6: Final answer
    x = 25,071.75

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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.