Home / 36,022.24-49,709.86-20,108.17

Finding the Fourth Proportional to 36,022.24, 49,709.86 and 20,108.17

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Solution

The fourth proportional to 36,022.24, 49,709.86 and 20,108.17 is: 27,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.24 : 49,709.86 = 20,108.17 : x
  2. Step 2: Convert to fraction form
    36,022.24/49,709.86 = 20,108.17/x
  3. Step 3: Cross multiply
    36,022.24x = 49,709.86 × 20,108.17
  4. Step 4: Simplify right side
    36,022.24x = 999,574,315.56
  5. Step 5: Solve for x
    x = 999,574,315.56/36,022.24
  6. Step 6: Final answer
    x = 27,748.81

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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.