Home / 36,582.78-50,483.21-21,475.20

Finding the Fourth Proportional to 36,582.78, 50,483.21 and 21,475.20

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Solution

The fourth proportional to 36,582.78, 50,483.21 and 21,475.20 is: 29,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,582.78 : 50,483.21 = 21,475.20 : x
  2. Step 2: Convert to fraction form
    36,582.78/50,483.21 = 21,475.20/x
  3. Step 3: Cross multiply
    36,582.78x = 50,483.21 × 21,475.20
  4. Step 4: Simplify right side
    36,582.78x = 1,084,136,924.02
  5. Step 5: Solve for x
    x = 1,084,136,924.02/36,582.78
  6. Step 6: Final answer
    x = 29,635.17

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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.