Home / 34,543.31-51,545.57-30,819.95

Finding the Fourth Proportional to 34,543.31, 51,545.57 and 30,819.95

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Solution

The fourth proportional to 34,543.31, 51,545.57 and 30,819.95 is: 45,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.31 : 51,545.57 = 30,819.95 : x
  2. Step 2: Convert to fraction form
    34,543.31/51,545.57 = 30,819.95/x
  3. Step 3: Cross multiply
    34,543.31x = 51,545.57 × 30,819.95
  4. Step 4: Simplify right side
    34,543.31x = 1,588,631,478.29
  5. Step 5: Solve for x
    x = 1,588,631,478.29/34,543.31
  6. Step 6: Final answer
    x = 45,989.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.