Home / 37,914.82-52,322.99-20,919.80

Finding the Fourth Proportional to 37,914.82, 52,322.99 and 20,919.80

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Solution

The fourth proportional to 37,914.82, 52,322.99 and 20,919.80 is: 28,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,914.82 : 52,322.99 = 20,919.80 : x
  2. Step 2: Convert to fraction form
    37,914.82/52,322.99 = 20,919.80/x
  3. Step 3: Cross multiply
    37,914.82x = 52,322.99 × 20,919.80
  4. Step 4: Simplify right side
    37,914.82x = 1,094,586,381.60
  5. Step 5: Solve for x
    x = 1,094,586,381.60/37,914.82
  6. Step 6: Final answer
    x = 28,869.62

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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.