Home / 36,018.36-49,700.44-20,908.62

Finding the Fourth Proportional to 36,018.36, 49,700.44 and 20,908.62

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Solution

The fourth proportional to 36,018.36, 49,700.44 and 20,908.62 is: 28,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.36 : 49,700.44 = 20,908.62 : x
  2. Step 2: Convert to fraction form
    36,018.36/49,700.44 = 20,908.62/x
  3. Step 3: Cross multiply
    36,018.36x = 49,700.44 × 20,908.62
  4. Step 4: Simplify right side
    36,018.36x = 1,039,167,613.79
  5. Step 5: Solve for x
    x = 1,039,167,613.79/36,018.36
  6. Step 6: Final answer
    x = 28,851.05

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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.