Home / 36,224.40-49,988.91-20,308.51

Finding the Fourth Proportional to 36,224.40, 49,988.91 and 20,308.51

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Solution

The fourth proportional to 36,224.40, 49,988.91 and 20,308.51 is: 28,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,224.40 : 49,988.91 = 20,308.51 : x
  2. Step 2: Convert to fraction form
    36,224.40/49,988.91 = 20,308.51/x
  3. Step 3: Cross multiply
    36,224.40x = 49,988.91 × 20,308.51
  4. Step 4: Simplify right side
    36,224.40x = 1,015,200,278.62
  5. Step 5: Solve for x
    x = 1,015,200,278.62/36,224.40
  6. Step 6: Final answer
    x = 28,025.32

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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.