Home / 39,147.36-58,744.32-14,184.96

Finding the Fourth Proportional to 39,147.36, 58,744.32 and 14,184.96

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Solution

The fourth proportional to 39,147.36, 58,744.32 and 14,184.96 is: 21,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.36 : 58,744.32 = 14,184.96 : x
  2. Step 2: Convert to fraction form
    39,147.36/58,744.32 = 14,184.96/x
  3. Step 3: Cross multiply
    39,147.36x = 58,744.32 × 14,184.96
  4. Step 4: Simplify right side
    39,147.36x = 833,285,829.43
  5. Step 5: Solve for x
    x = 833,285,829.43/39,147.36
  6. Step 6: Final answer
    x = 21,285.88

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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.