Home / 55,112.84-82,622.52-21,856.40

Finding the Fourth Proportional to 55,112.84, 82,622.52 and 21,856.40

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Solution

The fourth proportional to 55,112.84, 82,622.52 and 21,856.40 is: 32,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,112.84 : 82,622.52 = 21,856.40 : x
  2. Step 2: Convert to fraction form
    55,112.84/82,622.52 = 21,856.40/x
  3. Step 3: Cross multiply
    55,112.84x = 82,622.52 × 21,856.40
  4. Step 4: Simplify right side
    55,112.84x = 1,805,830,846.13
  5. Step 5: Solve for x
    x = 1,805,830,846.13/55,112.84
  6. Step 6: Final answer
    x = 32,766.06

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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.