Home / 36,455.07-50,307.99-19,688.07

Finding the Fourth Proportional to 36,455.07, 50,307.99 and 19,688.07

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Solution

The fourth proportional to 36,455.07, 50,307.99 and 19,688.07 is: 27,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,455.07 : 50,307.99 = 19,688.07 : x
  2. Step 2: Convert to fraction form
    36,455.07/50,307.99 = 19,688.07/x
  3. Step 3: Cross multiply
    36,455.07x = 50,307.99 × 19,688.07
  4. Step 4: Simplify right side
    36,455.07x = 990,467,228.68
  5. Step 5: Solve for x
    x = 990,467,228.68/36,455.07
  6. Step 6: Final answer
    x = 27,169.53

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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.