Home / 36,756.88-50,724.84-21,850

Finding the Fourth Proportional to 36,756.88, 50,724.84 and 21,850

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Solution

The fourth proportional to 36,756.88, 50,724.84 and 21,850 is: 30,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,756.88 : 50,724.84 = 21,850 : x
  2. Step 2: Convert to fraction form
    36,756.88/50,724.84 = 21,850/x
  3. Step 3: Cross multiply
    36,756.88x = 50,724.84 × 21,850
  4. Step 4: Simplify right side
    36,756.88x = 1,108,337,754
  5. Step 5: Solve for x
    x = 1,108,337,754/36,756.88
  6. Step 6: Final answer
    x = 30,153.21

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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.