Home / 35,971.03-53,972.10-19,311.61

Finding the Fourth Proportional to 35,971.03, 53,972.10 and 19,311.61

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Solution

The fourth proportional to 35,971.03, 53,972.10 and 19,311.61 is: 28,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.03 : 53,972.10 = 19,311.61 : x
  2. Step 2: Convert to fraction form
    35,971.03/53,972.10 = 19,311.61/x
  3. Step 3: Cross multiply
    35,971.03x = 53,972.10 × 19,311.61
  4. Step 4: Simplify right side
    35,971.03x = 1,042,288,146.08
  5. Step 5: Solve for x
    x = 1,042,288,146.08/35,971.03
  6. Step 6: Final answer
    x = 28,975.77

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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.