Home / 34,919.36-48,189.80-19,812.66

Finding the Fourth Proportional to 34,919.36, 48,189.80 and 19,812.66

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Solution

The fourth proportional to 34,919.36, 48,189.80 and 19,812.66 is: 27,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,919.36 : 48,189.80 = 19,812.66 : x
  2. Step 2: Convert to fraction form
    34,919.36/48,189.80 = 19,812.66/x
  3. Step 3: Cross multiply
    34,919.36x = 48,189.80 × 19,812.66
  4. Step 4: Simplify right side
    34,919.36x = 954,768,122.87
  5. Step 5: Solve for x
    x = 954,768,122.87/34,919.36
  6. Step 6: Final answer
    x = 27,342.09

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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.