Home / 51,190.77-76,737.63-17,889.21

Finding the Fourth Proportional to 51,190.77, 76,737.63 and 17,889.21

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Solution

The fourth proportional to 51,190.77, 76,737.63 and 17,889.21 is: 26,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.77 : 76,737.63 = 17,889.21 : x
  2. Step 2: Convert to fraction form
    51,190.77/76,737.63 = 17,889.21/x
  3. Step 3: Cross multiply
    51,190.77x = 76,737.63 × 17,889.21
  4. Step 4: Simplify right side
    51,190.77x = 1,372,775,577.97
  5. Step 5: Solve for x
    x = 1,372,775,577.97/51,190.77
  6. Step 6: Final answer
    x = 26,816.86

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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.