Home / 31,289.24-43,179.78-19,352.36

Finding the Fourth Proportional to 31,289.24, 43,179.78 and 19,352.36

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Solution

The fourth proportional to 31,289.24, 43,179.78 and 19,352.36 is: 26,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289.24 : 43,179.78 = 19,352.36 : x
  2. Step 2: Convert to fraction form
    31,289.24/43,179.78 = 19,352.36/x
  3. Step 3: Cross multiply
    31,289.24x = 43,179.78 × 19,352.36
  4. Step 4: Simplify right side
    31,289.24x = 835,630,647.28
  5. Step 5: Solve for x
    x = 835,630,647.28/31,289.24
  6. Step 6: Final answer
    x = 26,706.65

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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.