Home / 33,990.12-46,913.88-18,888

Finding the Fourth Proportional to 33,990.12, 46,913.88 and 18,888

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Solution

The fourth proportional to 33,990.12, 46,913.88 and 18,888 is: 26,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.12 : 46,913.88 = 18,888 : x
  2. Step 2: Convert to fraction form
    33,990.12/46,913.88 = 18,888/x
  3. Step 3: Cross multiply
    33,990.12x = 46,913.88 × 18,888
  4. Step 4: Simplify right side
    33,990.12x = 886,109,365.44
  5. Step 5: Solve for x
    x = 886,109,365.44/33,990.12
  6. Step 6: Final answer
    x = 26,069.62

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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.