Home / 34,811.33-48,040.65-18,896.79

Finding the Fourth Proportional to 34,811.33, 48,040.65 and 18,896.79

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Solution

The fourth proportional to 34,811.33, 48,040.65 and 18,896.79 is: 26,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,811.33 : 48,040.65 = 18,896.79 : x
  2. Step 2: Convert to fraction form
    34,811.33/48,040.65 = 18,896.79/x
  3. Step 3: Cross multiply
    34,811.33x = 48,040.65 × 18,896.79
  4. Step 4: Simplify right side
    34,811.33x = 907,813,980.03
  5. Step 5: Solve for x
    x = 907,813,980.03/34,811.33
  6. Step 6: Final answer
    x = 26,078.12

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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.