Home / 36,113.52-49,845.15-21,008.53

Finding the Fourth Proportional to 36,113.52, 49,845.15 and 21,008.53

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Solution

The fourth proportional to 36,113.52, 49,845.15 and 21,008.53 is: 28,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.52 : 49,845.15 = 21,008.53 : x
  2. Step 2: Convert to fraction form
    36,113.52/49,845.15 = 21,008.53/x
  3. Step 3: Cross multiply
    36,113.52x = 49,845.15 × 21,008.53
  4. Step 4: Simplify right side
    36,113.52x = 1,047,173,122.07
  5. Step 5: Solve for x
    x = 1,047,173,122.07/36,113.52
  6. Step 6: Final answer
    x = 28,996.71

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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.