Home / 34,911.10-48,176.37-18,995.21

Finding the Fourth Proportional to 34,911.10, 48,176.37 and 18,995.21

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Solution

The fourth proportional to 34,911.10, 48,176.37 and 18,995.21 is: 26,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,911.10 : 48,176.37 = 18,995.21 : x
  2. Step 2: Convert to fraction form
    34,911.10/48,176.37 = 18,995.21/x
  3. Step 3: Cross multiply
    34,911.10x = 48,176.37 × 18,995.21
  4. Step 4: Simplify right side
    34,911.10x = 915,120,265.19
  5. Step 5: Solve for x
    x = 915,120,265.19/34,911.10
  6. Step 6: Final answer
    x = 26,212.87

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1.5x scale

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.