Home / 37,684.42-52,005.11-20,690.23

Finding the Fourth Proportional to 37,684.42, 52,005.11 and 20,690.23

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Solution

The fourth proportional to 37,684.42, 52,005.11 and 20,690.23 is: 28,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,684.42 : 52,005.11 = 20,690.23 : x
  2. Step 2: Convert to fraction form
    37,684.42/52,005.11 = 20,690.23/x
  3. Step 3: Cross multiply
    37,684.42x = 52,005.11 × 20,690.23
  4. Step 4: Simplify right side
    37,684.42x = 1,075,997,765.01
  5. Step 5: Solve for x
    x = 1,075,997,765.01/37,684.42
  6. Step 6: Final answer
    x = 28,552.85

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Double scale
Find fourth proportional to 37,685.42, 52,006.49 and 20,691.23
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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.