Home / 36,217.36-49,981.32-20,302.12

Finding the Fourth Proportional to 36,217.36, 49,981.32 and 20,302.12

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Solution

The fourth proportional to 36,217.36, 49,981.32 and 20,302.12 is: 28,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,217.36 : 49,981.32 = 20,302.12 : x
  2. Step 2: Convert to fraction form
    36,217.36/49,981.32 = 20,302.12/x
  3. Step 3: Cross multiply
    36,217.36x = 49,981.32 × 20,302.12
  4. Step 4: Simplify right side
    36,217.36x = 1,014,726,756.40
  5. Step 5: Solve for x
    x = 1,014,726,756.40/36,217.36
  6. Step 6: Final answer
    x = 28,017.69

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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.