Home / 51,039.32-76,571.51-17,759.66

Finding the Fourth Proportional to 51,039.32, 76,571.51 and 17,759.66

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Solution

The fourth proportional to 51,039.32, 76,571.51 and 17,759.66 is: 26,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,039.32 : 76,571.51 = 17,759.66 : x
  2. Step 2: Convert to fraction form
    51,039.32/76,571.51 = 17,759.66/x
  3. Step 3: Cross multiply
    51,039.32x = 76,571.51 × 17,759.66
  4. Step 4: Simplify right side
    51,039.32x = 1,359,883,511.63
  5. Step 5: Solve for x
    x = 1,359,883,511.63/51,039.32
  6. Step 6: Final answer
    x = 26,643.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.