Home / 34,860.66-48,105.74-18,945

Finding the Fourth Proportional to 34,860.66, 48,105.74 and 18,945

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Solution

The fourth proportional to 34,860.66, 48,105.74 and 18,945 is: 26,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.66 : 48,105.74 = 18,945 : x
  2. Step 2: Convert to fraction form
    34,860.66/48,105.74 = 18,945/x
  3. Step 3: Cross multiply
    34,860.66x = 48,105.74 × 18,945
  4. Step 4: Simplify right side
    34,860.66x = 911,363,149.58
  5. Step 5: Solve for x
    x = 911,363,149.58/34,860.66
  6. Step 6: Final answer
    x = 26,143.03

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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.