Home / 33,990.33-46,914.15-18,888.18

Finding the Fourth Proportional to 33,990.33, 46,914.15 and 18,888.18

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Solution

The fourth proportional to 33,990.33, 46,914.15 and 18,888.18 is: 26,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.33 : 46,914.15 = 18,888.18 : x
  2. Step 2: Convert to fraction form
    33,990.33/46,914.15 = 18,888.18/x
  3. Step 3: Cross multiply
    33,990.33x = 46,914.15 × 18,888.18
  4. Step 4: Simplify right side
    33,990.33x = 886,122,909.75
  5. Step 5: Solve for x
    x = 886,122,909.75/33,990.33
  6. Step 6: Final answer
    x = 26,069.85

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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.