Home / 36,920.08-55,419-17,217.64

Finding the Fourth Proportional to 36,920.08, 55,419 and 17,217.64

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Solution

The fourth proportional to 36,920.08, 55,419 and 17,217.64 is: 25,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.08 : 55,419 = 17,217.64 : x
  2. Step 2: Convert to fraction form
    36,920.08/55,419 = 17,217.64/x
  3. Step 3: Cross multiply
    36,920.08x = 55,419 × 17,217.64
  4. Step 4: Simplify right side
    36,920.08x = 954,184,391.16
  5. Step 5: Solve for x
    x = 954,184,391.16/36,920.08
  6. Step 6: Final answer
    x = 25,844.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.