Home / 48,786.66-73,161.63-19,188.32

Finding the Fourth Proportional to 48,786.66, 73,161.63 and 19,188.32

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Solution

The fourth proportional to 48,786.66, 73,161.63 and 19,188.32 is: 28,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,786.66 : 73,161.63 = 19,188.32 : x
  2. Step 2: Convert to fraction form
    48,786.66/73,161.63 = 19,188.32/x
  3. Step 3: Cross multiply
    48,786.66x = 73,161.63 × 19,188.32
  4. Step 4: Simplify right side
    48,786.66x = 1,403,848,402.35
  5. Step 5: Solve for x
    x = 1,403,848,402.35/48,786.66
  6. Step 6: Final answer
    x = 28,775.25

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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.