Home / 34,834.77-48,072.42-18,919.49

Finding the Fourth Proportional to 34,834.77, 48,072.42 and 18,919.49

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Solution

The fourth proportional to 34,834.77, 48,072.42 and 18,919.49 is: 26,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,834.77 : 48,072.42 = 18,919.49 : x
  2. Step 2: Convert to fraction form
    34,834.77/48,072.42 = 18,919.49/x
  3. Step 3: Cross multiply
    34,834.77x = 48,072.42 × 18,919.49
  4. Step 4: Simplify right side
    34,834.77x = 909,505,429.10
  5. Step 5: Solve for x
    x = 909,505,429.10/34,834.77
  6. Step 6: Final answer
    x = 26,109.13

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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.