Home / 52,769.22-72,821.64-28,570.44

Finding the Fourth Proportional to 52,769.22, 72,821.64 and 28,570.44

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Solution

The fourth proportional to 52,769.22, 72,821.64 and 28,570.44 is: 39,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.22 : 72,821.64 = 28,570.44 : x
  2. Step 2: Convert to fraction form
    52,769.22/72,821.64 = 28,570.44/x
  3. Step 3: Cross multiply
    52,769.22x = 72,821.64 × 28,570.44
  4. Step 4: Simplify right side
    52,769.22x = 2,080,546,296.32
  5. Step 5: Solve for x
    x = 2,080,546,296.32/52,769.22
  6. Step 6: Final answer
    x = 39,427.27

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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.