Home / 37,914.68-52,322.44-20,919.12

Finding the Fourth Proportional to 37,914.68, 52,322.44 and 20,919.12

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Solution

The fourth proportional to 37,914.68, 52,322.44 and 20,919.12 is: 28,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,914.68 : 52,322.44 = 20,919.12 : x
  2. Step 2: Convert to fraction form
    37,914.68/52,322.44 = 20,919.12/x
  3. Step 3: Cross multiply
    37,914.68x = 52,322.44 × 20,919.12
  4. Step 4: Simplify right side
    37,914.68x = 1,094,539,401.05
  5. Step 5: Solve for x
    x = 1,094,539,401.05/37,914.68
  6. Step 6: Final answer
    x = 28,868.49

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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.