Home / 52,675.25-72,678.33-31,163.96

Finding the Fourth Proportional to 52,675.25, 72,678.33 and 31,163.96

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Solution

The fourth proportional to 52,675.25, 72,678.33 and 31,163.96 is: 42,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,675.25 : 72,678.33 = 31,163.96 : x
  2. Step 2: Convert to fraction form
    52,675.25/72,678.33 = 31,163.96/x
  3. Step 3: Cross multiply
    52,675.25x = 72,678.33 × 31,163.96
  4. Step 4: Simplify right side
    52,675.25x = 2,264,944,750.68
  5. Step 5: Solve for x
    x = 2,264,944,750.68/52,675.25
  6. Step 6: Final answer
    x = 42,998.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.