Home / 55,270.40-82,911.04-21,983.04

Finding the Fourth Proportional to 55,270.40, 82,911.04 and 21,983.04

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Solution

The fourth proportional to 55,270.40, 82,911.04 and 21,983.04 is: 32,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.40 : 82,911.04 = 21,983.04 : x
  2. Step 2: Convert to fraction form
    55,270.40/82,911.04 = 21,983.04/x
  3. Step 3: Cross multiply
    55,270.40x = 82,911.04 × 21,983.04
  4. Step 4: Simplify right side
    55,270.40x = 1,822,636,708.76
  5. Step 5: Solve for x
    x = 1,822,636,708.76/55,270.40
  6. Step 6: Final answer
    x = 32,976.72

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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.