Home / 34,089.84-51,126.39-10,716.21

Finding the Fourth Proportional to 34,089.84, 51,126.39 and 10,716.21

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Solution

The fourth proportional to 34,089.84, 51,126.39 and 10,716.21 is: 16,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,089.84 : 51,126.39 = 10,716.21 : x
  2. Step 2: Convert to fraction form
    34,089.84/51,126.39 = 10,716.21/x
  3. Step 3: Cross multiply
    34,089.84x = 51,126.39 × 10,716.21
  4. Step 4: Simplify right side
    34,089.84x = 547,881,131.78
  5. Step 5: Solve for x
    x = 547,881,131.78/34,089.84
  6. Step 6: Final answer
    x = 16,071.68

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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.