Home / 47,622.43-71,428.64-19,545.45

Finding the Fourth Proportional to 47,622.43, 71,428.64 and 19,545.45

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Solution

The fourth proportional to 47,622.43, 71,428.64 and 19,545.45 is: 29,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,622.43 : 71,428.64 = 19,545.45 : x
  2. Step 2: Convert to fraction form
    47,622.43/71,428.64 = 19,545.45/x
  3. Step 3: Cross multiply
    47,622.43x = 71,428.64 × 19,545.45
  4. Step 4: Simplify right side
    47,622.43x = 1,396,104,947.89
  5. Step 5: Solve for x
    x = 1,396,104,947.89/47,622.43
  6. Step 6: Final answer
    x = 29,316.12

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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.