Home / 51,284.17-76,920.03-13,841.38

Finding the Fourth Proportional to 51,284.17, 76,920.03 and 13,841.38

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Solution

The fourth proportional to 51,284.17, 76,920.03 and 13,841.38 is: 20,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284.17 : 76,920.03 = 13,841.38 : x
  2. Step 2: Convert to fraction form
    51,284.17/76,920.03 = 13,841.38/x
  3. Step 3: Cross multiply
    51,284.17x = 76,920.03 × 13,841.38
  4. Step 4: Simplify right side
    51,284.17x = 1,064,679,364.84
  5. Step 5: Solve for x
    x = 1,064,679,364.84/51,284.17
  6. Step 6: Final answer
    x = 20,760.39

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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.