Home / 51,826.30-77,755.88-18,545.63

Finding the Fourth Proportional to 51,826.30, 77,755.88 and 18,545.63

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Solution

The fourth proportional to 51,826.30, 77,755.88 and 18,545.63 is: 27,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,826.30 : 77,755.88 = 18,545.63 : x
  2. Step 2: Convert to fraction form
    51,826.30/77,755.88 = 18,545.63/x
  3. Step 3: Cross multiply
    51,826.30x = 77,755.88 × 18,545.63
  4. Step 4: Simplify right side
    51,826.30x = 1,442,031,438.39
  5. Step 5: Solve for x
    x = 1,442,031,438.39/51,826.30
  6. Step 6: Final answer
    x = 27,824.32

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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.