Home / 47,388.44-71,062.89-19,289.48

Finding the Fourth Proportional to 47,388.44, 71,062.89 and 19,289.48

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Solution

The fourth proportional to 47,388.44, 71,062.89 and 19,289.48 is: 28,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388.44 : 71,062.89 = 19,289.48 : x
  2. Step 2: Convert to fraction form
    47,388.44/71,062.89 = 19,289.48/x
  3. Step 3: Cross multiply
    47,388.44x = 71,062.89 × 19,289.48
  4. Step 4: Simplify right side
    47,388.44x = 1,370,765,840.08
  5. Step 5: Solve for x
    x = 1,370,765,840.08/47,388.44
  6. Step 6: Final answer
    x = 28,926.17

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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.