Home / 50,274.07-69,361.21-28,748.47

Finding the Fourth Proportional to 50,274.07, 69,361.21 and 28,748.47

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Solution

The fourth proportional to 50,274.07, 69,361.21 and 28,748.47 is: 39,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,274.07 : 69,361.21 = 28,748.47 : x
  2. Step 2: Convert to fraction form
    50,274.07/69,361.21 = 28,748.47/x
  3. Step 3: Cross multiply
    50,274.07x = 69,361.21 × 28,748.47
  4. Step 4: Simplify right side
    50,274.07x = 1,994,028,657.43
  5. Step 5: Solve for x
    x = 1,994,028,657.43/50,274.07
  6. Step 6: Final answer
    x = 39,663.17

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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.