Home / 50,459.97-75,725.09-20,877.96

Finding the Fourth Proportional to 50,459.97, 75,725.09 and 20,877.96

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Solution

The fourth proportional to 50,459.97, 75,725.09 and 20,877.96 is: 31,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,459.97 : 75,725.09 = 20,877.96 : x
  2. Step 2: Convert to fraction form
    50,459.97/75,725.09 = 20,877.96/x
  3. Step 3: Cross multiply
    50,459.97x = 75,725.09 × 20,877.96
  4. Step 4: Simplify right side
    50,459.97x = 1,580,985,400.02
  5. Step 5: Solve for x
    x = 1,580,985,400.02/50,459.97
  6. Step 6: Final answer
    x = 31,331.48

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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.