Home / 39,072.21-58,611.03-15,698.64

Finding the Fourth Proportional to 39,072.21, 58,611.03 and 15,698.64

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Solution

The fourth proportional to 39,072.21, 58,611.03 and 15,698.64 is: 23,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.21 : 58,611.03 = 15,698.64 : x
  2. Step 2: Convert to fraction form
    39,072.21/58,611.03 = 15,698.64/x
  3. Step 3: Cross multiply
    39,072.21x = 58,611.03 × 15,698.64
  4. Step 4: Simplify right side
    39,072.21x = 920,113,460.00
  5. Step 5: Solve for x
    x = 920,113,460.00/39,072.21
  6. Step 6: Final answer
    x = 23,549.05

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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.