Home / 52,850.42-72,933.60-28,976.60

Finding the Fourth Proportional to 52,850.42, 72,933.60 and 28,976.60

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Solution

The fourth proportional to 52,850.42, 72,933.60 and 28,976.60 is: 39,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.42 : 72,933.60 = 28,976.60 : x
  2. Step 2: Convert to fraction form
    52,850.42/72,933.60 = 28,976.60/x
  3. Step 3: Cross multiply
    52,850.42x = 72,933.60 × 28,976.60
  4. Step 4: Simplify right side
    52,850.42x = 2,113,367,753.76
  5. Step 5: Solve for x
    x = 2,113,367,753.76/52,850.42
  6. Step 6: Final answer
    x = 39,987.72

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1.5x scale

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.