Home / 34,167.84-51,252.09-11,981.76

Finding the Fourth Proportional to 34,167.84, 51,252.09 and 11,981.76

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Solution

The fourth proportional to 34,167.84, 51,252.09 and 11,981.76 is: 17,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,167.84 : 51,252.09 = 11,981.76 : x
  2. Step 2: Convert to fraction form
    34,167.84/51,252.09 = 11,981.76/x
  3. Step 3: Cross multiply
    34,167.84x = 51,252.09 × 11,981.76
  4. Step 4: Simplify right side
    34,167.84x = 614,090,241.88
  5. Step 5: Solve for x
    x = 614,090,241.88/34,167.84
  6. Step 6: Final answer
    x = 17,972.76

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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.