Home / 55,222.17-82,774.13-21,896.07

Finding the Fourth Proportional to 55,222.17, 82,774.13 and 21,896.07

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Solution

The fourth proportional to 55,222.17, 82,774.13 and 21,896.07 is: 32,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222.17 : 82,774.13 = 21,896.07 : x
  2. Step 2: Convert to fraction form
    55,222.17/82,774.13 = 21,896.07/x
  3. Step 3: Cross multiply
    55,222.17x = 82,774.13 × 21,896.07
  4. Step 4: Simplify right side
    55,222.17x = 1,812,428,035.19
  5. Step 5: Solve for x
    x = 1,812,428,035.19/55,222.17
  6. Step 6: Final answer
    x = 32,820.66

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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.