Home / 52,859.25-72,945.26-28,985.85

Finding the Fourth Proportional to 52,859.25, 72,945.26 and 28,985.85

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Solution

The fourth proportional to 52,859.25, 72,945.26 and 28,985.85 is: 40,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,859.25 : 72,945.26 = 28,985.85 : x
  2. Step 2: Convert to fraction form
    52,859.25/72,945.26 = 28,985.85/x
  3. Step 3: Cross multiply
    52,859.25x = 72,945.26 × 28,985.85
  4. Step 4: Simplify right side
    52,859.25x = 2,114,380,219.64
  5. Step 5: Solve for x
    x = 2,114,380,219.64/52,859.25
  6. Step 6: Final answer
    x = 40,000.19

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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.