Home / 52,844.85-72,930.49-28,976.18

Finding the Fourth Proportional to 52,844.85, 72,930.49 and 28,976.18

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Solution

The fourth proportional to 52,844.85, 72,930.49 and 28,976.18 is: 39,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,844.85 : 72,930.49 = 28,976.18 : x
  2. Step 2: Convert to fraction form
    52,844.85/72,930.49 = 28,976.18/x
  3. Step 3: Cross multiply
    52,844.85x = 72,930.49 × 28,976.18
  4. Step 4: Simplify right side
    52,844.85x = 2,113,246,568.64
  5. Step 5: Solve for x
    x = 2,113,246,568.64/52,844.85
  6. Step 6: Final answer
    x = 39,989.64

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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.