Home / 53,147.29-79,725.52-13,704.07

Finding the Fourth Proportional to 53,147.29, 79,725.52 and 13,704.07

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Solution

The fourth proportional to 53,147.29, 79,725.52 and 13,704.07 is: 20,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.29 : 79,725.52 = 13,704.07 : x
  2. Step 2: Convert to fraction form
    53,147.29/79,725.52 = 13,704.07/x
  3. Step 3: Cross multiply
    53,147.29x = 79,725.52 × 13,704.07
  4. Step 4: Simplify right side
    53,147.29x = 1,092,564,106.87
  5. Step 5: Solve for x
    x = 1,092,564,106.87/53,147.29
  6. Step 6: Final answer
    x = 20,557.29

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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.