Home / 47,984.96-71,982.72-18,428.16

Finding the Fourth Proportional to 47,984.96, 71,982.72 and 18,428.16

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Solution

The fourth proportional to 47,984.96, 71,982.72 and 18,428.16 is: 27,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.96 : 71,982.72 = 18,428.16 : x
  2. Step 2: Convert to fraction form
    47,984.96/71,982.72 = 18,428.16/x
  3. Step 3: Cross multiply
    47,984.96x = 71,982.72 × 18,428.16
  4. Step 4: Simplify right side
    47,984.96x = 1,326,509,081.40
  5. Step 5: Solve for x
    x = 1,326,509,081.40/47,984.96
  6. Step 6: Final answer
    x = 27,644.27

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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.