Home / 37,687.69-52,008.78-20,692.24

Finding the Fourth Proportional to 37,687.69, 52,008.78 and 20,692.24

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Solution

The fourth proportional to 37,687.69, 52,008.78 and 20,692.24 is: 28,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687.69 : 52,008.78 = 20,692.24 : x
  2. Step 2: Convert to fraction form
    37,687.69/52,008.78 = 20,692.24/x
  3. Step 3: Cross multiply
    37,687.69x = 52,008.78 × 20,692.24
  4. Step 4: Simplify right side
    37,687.69x = 1,076,178,079.58
  5. Step 5: Solve for x
    x = 1,076,178,079.58/37,687.69
  6. Step 6: Final answer
    x = 28,555.16

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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.