Home / 51,576.77-77,339.63-18,291.84

Finding the Fourth Proportional to 51,576.77, 77,339.63 and 18,291.84

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Solution

The fourth proportional to 51,576.77, 77,339.63 and 18,291.84 is: 27,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,576.77 : 77,339.63 = 18,291.84 : x
  2. Step 2: Convert to fraction form
    51,576.77/77,339.63 = 18,291.84/x
  3. Step 3: Cross multiply
    51,576.77x = 77,339.63 × 18,291.84
  4. Step 4: Simplify right side
    51,576.77x = 1,414,684,225.47
  5. Step 5: Solve for x
    x = 1,414,684,225.47/51,576.77
  6. Step 6: Final answer
    x = 27,428.71

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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.