Home / 39,072.38-58,611.33-15,698.81

Finding the Fourth Proportional to 39,072.38, 58,611.33 and 15,698.81

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Solution

The fourth proportional to 39,072.38, 58,611.33 and 15,698.81 is: 23,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.38 : 58,611.33 = 15,698.81 : x
  2. Step 2: Convert to fraction form
    39,072.38/58,611.33 = 15,698.81/x
  3. Step 3: Cross multiply
    39,072.38x = 58,611.33 × 15,698.81
  4. Step 4: Simplify right side
    39,072.38x = 920,128,280.05
  5. Step 5: Solve for x
    x = 920,128,280.05/39,072.38
  6. Step 6: Final answer
    x = 23,549.33

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