Home / 34,891.56-48,149.31-19,785.60

Finding the Fourth Proportional to 34,891.56, 48,149.31 and 19,785.60

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Solution

The fourth proportional to 34,891.56, 48,149.31 and 19,785.60 is: 27,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,891.56 : 48,149.31 = 19,785.60 : x
  2. Step 2: Convert to fraction form
    34,891.56/48,149.31 = 19,785.60/x
  3. Step 3: Cross multiply
    34,891.56x = 48,149.31 × 19,785.60
  4. Step 4: Simplify right side
    34,891.56x = 952,662,987.94
  5. Step 5: Solve for x
    x = 952,662,987.94/34,891.56
  6. Step 6: Final answer
    x = 27,303.54

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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.