Home / 35,839.20-53,715.06-20,224.56

Finding the Fourth Proportional to 35,839.20, 53,715.06 and 20,224.56

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Solution

The fourth proportional to 35,839.20, 53,715.06 and 20,224.56 is: 30,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,839.20 : 53,715.06 = 20,224.56 : x
  2. Step 2: Convert to fraction form
    35,839.20/53,715.06 = 20,224.56/x
  3. Step 3: Cross multiply
    35,839.20x = 53,715.06 × 20,224.56
  4. Step 4: Simplify right side
    35,839.20x = 1,086,363,453.87
  5. Step 5: Solve for x
    x = 1,086,363,453.87/35,839.20
  6. Step 6: Final answer
    x = 30,312.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.