Home / 53,293.75-79,893.56-21,730.21

Finding the Fourth Proportional to 53,293.75, 79,893.56 and 21,730.21

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Solution

The fourth proportional to 53,293.75, 79,893.56 and 21,730.21 is: 32,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.75 : 79,893.56 = 21,730.21 : x
  2. Step 2: Convert to fraction form
    53,293.75/79,893.56 = 21,730.21/x
  3. Step 3: Cross multiply
    53,293.75x = 79,893.56 × 21,730.21
  4. Step 4: Simplify right side
    53,293.75x = 1,736,103,691.04
  5. Step 5: Solve for x
    x = 1,736,103,691.04/53,293.75
  6. Step 6: Final answer
    x = 32,576.12

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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.