Home / 47,853.79-71,809.73-17,889.84

Finding the Fourth Proportional to 47,853.79, 71,809.73 and 17,889.84

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Solution

The fourth proportional to 47,853.79, 71,809.73 and 17,889.84 is: 26,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,853.79 : 71,809.73 = 17,889.84 : x
  2. Step 2: Convert to fraction form
    47,853.79/71,809.73 = 17,889.84/x
  3. Step 3: Cross multiply
    47,853.79x = 71,809.73 × 17,889.84
  4. Step 4: Simplify right side
    47,853.79x = 1,284,664,580.14
  5. Step 5: Solve for x
    x = 1,284,664,580.14/47,853.79
  6. Step 6: Final answer
    x = 26,845.62

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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.