Home / 35,591.42-53,371.64-18,947.75

Finding the Fourth Proportional to 35,591.42, 53,371.64 and 18,947.75

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Solution

The fourth proportional to 35,591.42, 53,371.64 and 18,947.75 is: 28,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,591.42 : 53,371.64 = 18,947.75 : x
  2. Step 2: Convert to fraction form
    35,591.42/53,371.64 = 18,947.75/x
  3. Step 3: Cross multiply
    35,591.42x = 53,371.64 × 18,947.75
  4. Step 4: Simplify right side
    35,591.42x = 1,011,272,272.32
  5. Step 5: Solve for x
    x = 1,011,272,272.32/35,591.42
  6. Step 6: Final answer
    x = 28,413.37

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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.