Home / 35,316.25-52,912.11-18,639.54

Finding the Fourth Proportional to 35,316.25, 52,912.11 and 18,639.54

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Solution

The fourth proportional to 35,316.25, 52,912.11 and 18,639.54 is: 27,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.25 : 52,912.11 = 18,639.54 : x
  2. Step 2: Convert to fraction form
    35,316.25/52,912.11 = 18,639.54/x
  3. Step 3: Cross multiply
    35,316.25x = 52,912.11 × 18,639.54
  4. Step 4: Simplify right side
    35,316.25x = 986,257,557.12
  5. Step 5: Solve for x
    x = 986,257,557.12/35,316.25
  6. Step 6: Final answer
    x = 27,926.45

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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.