Home / 51,428.20-77,147.70-16,359.70

Finding the Fourth Proportional to 51,428.20, 77,147.70 and 16,359.70

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Solution

The fourth proportional to 51,428.20, 77,147.70 and 16,359.70 is: 24,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428.20 : 77,147.70 = 16,359.70 : x
  2. Step 2: Convert to fraction form
    51,428.20/77,147.70 = 16,359.70/x
  3. Step 3: Cross multiply
    51,428.20x = 77,147.70 × 16,359.70
  4. Step 4: Simplify right side
    51,428.20x = 1,262,113,227.69
  5. Step 5: Solve for x
    x = 1,262,113,227.69/51,428.20
  6. Step 6: Final answer
    x = 24,541.27

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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.