Home / 34,884.21-48,140.10-18,968.70

Finding the Fourth Proportional to 34,884.21, 48,140.10 and 18,968.70

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Solution

The fourth proportional to 34,884.21, 48,140.10 and 18,968.70 is: 26,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,884.21 : 48,140.10 = 18,968.70 : x
  2. Step 2: Convert to fraction form
    34,884.21/48,140.10 = 18,968.70/x
  3. Step 3: Cross multiply
    34,884.21x = 48,140.10 × 18,968.70
  4. Step 4: Simplify right side
    34,884.21x = 913,155,114.87
  5. Step 5: Solve for x
    x = 913,155,114.87/34,884.21
  6. Step 6: Final answer
    x = 26,176.75

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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.