Home / 55,293.23-82,890.74-21,551.47

Finding the Fourth Proportional to 55,293.23, 82,890.74 and 21,551.47

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Solution

The fourth proportional to 55,293.23, 82,890.74 and 21,551.47 is: 32,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,293.23 : 82,890.74 = 21,551.47 : x
  2. Step 2: Convert to fraction form
    55,293.23/82,890.74 = 21,551.47/x
  3. Step 3: Cross multiply
    55,293.23x = 82,890.74 × 21,551.47
  4. Step 4: Simplify right side
    55,293.23x = 1,786,417,143.04
  5. Step 5: Solve for x
    x = 1,786,417,143.04/55,293.23
  6. Step 6: Final answer
    x = 32,308.06

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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.