Home / 53,725.23-80,603.94-21,687.80

Finding the Fourth Proportional to 53,725.23, 80,603.94 and 21,687.80

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Solution

The fourth proportional to 53,725.23, 80,603.94 and 21,687.80 is: 32,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725.23 : 80,603.94 = 21,687.80 : x
  2. Step 2: Convert to fraction form
    53,725.23/80,603.94 = 21,687.80/x
  3. Step 3: Cross multiply
    53,725.23x = 80,603.94 × 21,687.80
  4. Step 4: Simplify right side
    53,725.23x = 1,748,122,129.93
  5. Step 5: Solve for x
    x = 1,748,122,129.93/53,725.23
  6. Step 6: Final answer
    x = 32,538.20

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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.