Home / 35,533.68-53,311.32-18,912.48

Finding the Fourth Proportional to 35,533.68, 53,311.32 and 18,912.48

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Solution

The fourth proportional to 35,533.68, 53,311.32 and 18,912.48 is: 28,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,533.68 : 53,311.32 = 18,912.48 : x
  2. Step 2: Convert to fraction form
    35,533.68/53,311.32 = 18,912.48/x
  3. Step 3: Cross multiply
    35,533.68x = 53,311.32 × 18,912.48
  4. Step 4: Simplify right side
    35,533.68x = 1,008,249,273.27
  5. Step 5: Solve for x
    x = 1,008,249,273.27/35,533.68
  6. Step 6: Final answer
    x = 28,374.47

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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.