Home / 31,214.65-46,782.57-19,965.73

Finding the Fourth Proportional to 31,214.65, 46,782.57 and 19,965.73

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Solution

The fourth proportional to 31,214.65, 46,782.57 and 19,965.73 is: 29,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214.65 : 46,782.57 = 19,965.73 : x
  2. Step 2: Convert to fraction form
    31,214.65/46,782.57 = 19,965.73/x
  3. Step 3: Cross multiply
    31,214.65x = 46,782.57 × 19,965.73
  4. Step 4: Simplify right side
    31,214.65x = 934,048,161.33
  5. Step 5: Solve for x
    x = 934,048,161.33/31,214.65
  6. Step 6: Final answer
    x = 29,923.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.