Home / 55,206.94-82,812.36-17,761.96

Finding the Fourth Proportional to 55,206.94, 82,812.36 and 17,761.96

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Solution

The fourth proportional to 55,206.94, 82,812.36 and 17,761.96 is: 26,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,206.94 : 82,812.36 = 17,761.96 : x
  2. Step 2: Convert to fraction form
    55,206.94/82,812.36 = 17,761.96/x
  3. Step 3: Cross multiply
    55,206.94x = 82,812.36 × 17,761.96
  4. Step 4: Simplify right side
    55,206.94x = 1,470,909,825.83
  5. Step 5: Solve for x
    x = 1,470,909,825.83/55,206.94
  6. Step 6: Final answer
    x = 26,643.57

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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.