Home / 34,860.90-48,107.34-18,945.75

Finding the Fourth Proportional to 34,860.90, 48,107.34 and 18,945.75

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Solution

The fourth proportional to 34,860.90, 48,107.34 and 18,945.75 is: 26,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.90 : 48,107.34 = 18,945.75 : x
  2. Step 2: Convert to fraction form
    34,860.90/48,107.34 = 18,945.75/x
  3. Step 3: Cross multiply
    34,860.90x = 48,107.34 × 18,945.75
  4. Step 4: Simplify right side
    34,860.90x = 911,429,636.81
  5. Step 5: Solve for x
    x = 911,429,636.81/34,860.90
  6. Step 6: Final answer
    x = 26,144.75

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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.