Home / 39,157.78-58,736.40-9,576.04

Finding the Fourth Proportional to 39,157.78, 58,736.40 and 9,576.04

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Solution

The fourth proportional to 39,157.78, 58,736.40 and 9,576.04 is: 14,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.78 : 58,736.40 = 9,576.04 : x
  2. Step 2: Convert to fraction form
    39,157.78/58,736.40 = 9,576.04/x
  3. Step 3: Cross multiply
    39,157.78x = 58,736.40 × 9,576.04
  4. Step 4: Simplify right side
    39,157.78x = 562,462,115.86
  5. Step 5: Solve for x
    x = 562,462,115.86/39,157.78
  6. Step 6: Final answer
    x = 14,363.99

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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.