Home / 33,870.94-46,764.75-21,143.54

Finding the Fourth Proportional to 33,870.94, 46,764.75 and 21,143.54

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Solution

The fourth proportional to 33,870.94, 46,764.75 and 21,143.54 is: 29,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.94 : 46,764.75 = 21,143.54 : x
  2. Step 2: Convert to fraction form
    33,870.94/46,764.75 = 21,143.54/x
  3. Step 3: Cross multiply
    33,870.94x = 46,764.75 × 21,143.54
  4. Step 4: Simplify right side
    33,870.94x = 988,772,362.22
  5. Step 5: Solve for x
    x = 988,772,362.22/33,870.94
  6. Step 6: Final answer
    x = 29,192.35

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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.