Home / 33,121.98-45,706.95-18,976.14

Finding the Fourth Proportional to 33,121.98, 45,706.95 and 18,976.14

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Solution

The fourth proportional to 33,121.98, 45,706.95 and 18,976.14 is: 26,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.98 : 45,706.95 = 18,976.14 : x
  2. Step 2: Convert to fraction form
    33,121.98/45,706.95 = 18,976.14/x
  3. Step 3: Cross multiply
    33,121.98x = 45,706.95 × 18,976.14
  4. Step 4: Simplify right side
    33,121.98x = 867,341,482.17
  5. Step 5: Solve for x
    x = 867,341,482.17/33,121.98
  6. Step 6: Final answer
    x = 26,186.28

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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.