Home / 35,887.05-53,795.85-20,099.75

Finding the Fourth Proportional to 35,887.05, 53,795.85 and 20,099.75

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Solution

The fourth proportional to 35,887.05, 53,795.85 and 20,099.75 is: 30,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,887.05 : 53,795.85 = 20,099.75 : x
  2. Step 2: Convert to fraction form
    35,887.05/53,795.85 = 20,099.75/x
  3. Step 3: Cross multiply
    35,887.05x = 53,795.85 × 20,099.75
  4. Step 4: Simplify right side
    35,887.05x = 1,081,282,791.68
  5. Step 5: Solve for x
    x = 1,081,282,791.68/35,887.05
  6. Step 6: Final answer
    x = 30,130.17

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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.