Home / 35,812.40-49,413.30-21,664.94

Finding the Fourth Proportional to 35,812.40, 49,413.30 and 21,664.94

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Solution

The fourth proportional to 35,812.40, 49,413.30 and 21,664.94 is: 29,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.40 : 49,413.30 = 21,664.94 : x
  2. Step 2: Convert to fraction form
    35,812.40/49,413.30 = 21,664.94/x
  3. Step 3: Cross multiply
    35,812.40x = 49,413.30 × 21,664.94
  4. Step 4: Simplify right side
    35,812.40x = 1,070,536,179.70
  5. Step 5: Solve for x
    x = 1,070,536,179.70/35,812.40
  6. Step 6: Final answer
    x = 29,892.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.