Home / 52,841.97-72,921.47-28,968.62

Finding the Fourth Proportional to 52,841.97, 72,921.47 and 28,968.62

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Solution

The fourth proportional to 52,841.97, 72,921.47 and 28,968.62 is: 39,976.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,841.97 : 72,921.47 = 28,968.62 : x
  2. Step 2: Convert to fraction form
    52,841.97/72,921.47 = 28,968.62/x
  3. Step 3: Cross multiply
    52,841.97x = 72,921.47 × 28,968.62
  4. Step 4: Simplify right side
    52,841.97x = 2,112,433,844.82
  5. Step 5: Solve for x
    x = 2,112,433,844.82/52,841.97
  6. Step 6: Final answer
    x = 39,976.44

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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.