Home / 54,667.43-82,021.80-21,411.26

Finding the Fourth Proportional to 54,667.43, 82,021.80 and 21,411.26

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Solution

The fourth proportional to 54,667.43, 82,021.80 and 21,411.26 is: 32,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,667.43 : 82,021.80 = 21,411.26 : x
  2. Step 2: Convert to fraction form
    54,667.43/82,021.80 = 21,411.26/x
  3. Step 3: Cross multiply
    54,667.43x = 82,021.80 × 21,411.26
  4. Step 4: Simplify right side
    54,667.43x = 1,756,190,085.47
  5. Step 5: Solve for x
    x = 1,756,190,085.47/54,667.43
  6. Step 6: Final answer
    x = 32,124.98

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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.