Home / 52,850.20-72,931.74-28,976.44

Finding the Fourth Proportional to 52,850.20, 72,931.74 and 28,976.44

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Solution

The fourth proportional to 52,850.20, 72,931.74 and 28,976.44 is: 39,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.20 : 72,931.74 = 28,976.44 : x
  2. Step 2: Convert to fraction form
    52,850.20/72,931.74 = 28,976.44/x
  3. Step 3: Cross multiply
    52,850.20x = 72,931.74 × 28,976.44
  4. Step 4: Simplify right side
    52,850.20x = 2,113,302,188.21
  5. Step 5: Solve for x
    x = 2,113,302,188.21/52,850.20
  6. Step 6: Final answer
    x = 39,986.65

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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.