Home / 47,979.44-71,968.68-16,389.16

Finding the Fourth Proportional to 47,979.44, 71,968.68 and 16,389.16

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Solution

The fourth proportional to 47,979.44, 71,968.68 and 16,389.16 is: 24,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.44 : 71,968.68 = 16,389.16 : x
  2. Step 2: Convert to fraction form
    47,979.44/71,968.68 = 16,389.16/x
  3. Step 3: Cross multiply
    47,979.44x = 71,968.68 × 16,389.16
  4. Step 4: Simplify right side
    47,979.44x = 1,179,506,211.51
  5. Step 5: Solve for x
    x = 1,179,506,211.51/47,979.44
  6. Step 6: Final answer
    x = 24,583.58

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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.