Home / 52,860.88-72,945.48-28,983.12

Finding the Fourth Proportional to 52,860.88, 72,945.48 and 28,983.12

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Solution

The fourth proportional to 52,860.88, 72,945.48 and 28,983.12 is: 39,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,860.88 : 72,945.48 = 28,983.12 : x
  2. Step 2: Convert to fraction form
    52,860.88/72,945.48 = 28,983.12/x
  3. Step 3: Cross multiply
    52,860.88x = 72,945.48 × 28,983.12
  4. Step 4: Simplify right side
    52,860.88x = 2,114,187,600.30
  5. Step 5: Solve for x
    x = 2,114,187,600.30/52,860.88
  6. Step 6: Final answer
    x = 39,995.32

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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.