Home / 36,018.65-49,710.22-20,908.06

Finding the Fourth Proportional to 36,018.65, 49,710.22 and 20,908.06

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Solution

The fourth proportional to 36,018.65, 49,710.22 and 20,908.06 is: 28,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.65 : 49,710.22 = 20,908.06 : x
  2. Step 2: Convert to fraction form
    36,018.65/49,710.22 = 20,908.06/x
  3. Step 3: Cross multiply
    36,018.65x = 49,710.22 × 20,908.06
  4. Step 4: Simplify right side
    36,018.65x = 1,039,344,272.24
  5. Step 5: Solve for x
    x = 1,039,344,272.24/36,018.65
  6. Step 6: Final answer
    x = 28,855.73

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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.