Home / 37,687.68-52,009.65-20,692.64

Finding the Fourth Proportional to 37,687.68, 52,009.65 and 20,692.64

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Solution

The fourth proportional to 37,687.68, 52,009.65 and 20,692.64 is: 28,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687.68 : 52,009.65 = 20,692.64 : x
  2. Step 2: Convert to fraction form
    37,687.68/52,009.65 = 20,692.64/x
  3. Step 3: Cross multiply
    37,687.68x = 52,009.65 × 20,692.64
  4. Step 4: Simplify right side
    37,687.68x = 1,076,216,918.62
  5. Step 5: Solve for x
    x = 1,076,216,918.62/37,687.68
  6. Step 6: Final answer
    x = 28,556.20

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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.