Home / 36,173.68-49,915.20-20,255.56

Finding the Fourth Proportional to 36,173.68, 49,915.20 and 20,255.56

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Solution

The fourth proportional to 36,173.68, 49,915.20 and 20,255.56 is: 27,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,173.68 : 49,915.20 = 20,255.56 : x
  2. Step 2: Convert to fraction form
    36,173.68/49,915.20 = 20,255.56/x
  3. Step 3: Cross multiply
    36,173.68x = 49,915.20 × 20,255.56
  4. Step 4: Simplify right side
    36,173.68x = 1,011,060,328.51
  5. Step 5: Solve for x
    x = 1,011,060,328.51/36,173.68
  6. Step 6: Final answer
    x = 27,950.17

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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.