Home / 34,884.28-48,140.36-18,968.68

Finding the Fourth Proportional to 34,884.28, 48,140.36 and 18,968.68

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Solution

The fourth proportional to 34,884.28, 48,140.36 and 18,968.68 is: 26,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,884.28 : 48,140.36 = 18,968.68 : x
  2. Step 2: Convert to fraction form
    34,884.28/48,140.36 = 18,968.68/x
  3. Step 3: Cross multiply
    34,884.28x = 48,140.36 × 18,968.68
  4. Step 4: Simplify right side
    34,884.28x = 913,159,083.92
  5. Step 5: Solve for x
    x = 913,159,083.92/34,884.28
  6. Step 6: Final answer
    x = 26,176.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.