Home / 33,931.68-46,847.70-21,837.57

Finding the Fourth Proportional to 33,931.68, 46,847.70 and 21,837.57

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Solution

The fourth proportional to 33,931.68, 46,847.70 and 21,837.57 is: 30,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,931.68 : 46,847.70 = 21,837.57 : x
  2. Step 2: Convert to fraction form
    33,931.68/46,847.70 = 21,837.57/x
  3. Step 3: Cross multiply
    33,931.68x = 46,847.70 × 21,837.57
  4. Step 4: Simplify right side
    33,931.68x = 1,023,039,928.09
  5. Step 5: Solve for x
    x = 1,023,039,928.09/33,931.68
  6. Step 6: Final answer
    x = 30,149.99

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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.