Home / 31,285.04-46,954.89-18,119.30

Finding the Fourth Proportional to 31,285.04, 46,954.89 and 18,119.30

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Solution

The fourth proportional to 31,285.04, 46,954.89 and 18,119.30 is: 27,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.04 : 46,954.89 = 18,119.30 : x
  2. Step 2: Convert to fraction form
    31,285.04/46,954.89 = 18,119.30/x
  3. Step 3: Cross multiply
    31,285.04x = 46,954.89 × 18,119.30
  4. Step 4: Simplify right side
    31,285.04x = 850,789,503.60
  5. Step 5: Solve for x
    x = 850,789,503.60/31,285.04
  6. Step 6: Final answer
    x = 27,194.78

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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.