Home / 33,318.82-45,980.63-18,211.06

Finding the Fourth Proportional to 33,318.82, 45,980.63 and 18,211.06

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Solution

The fourth proportional to 33,318.82, 45,980.63 and 18,211.06 is: 25,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.82 : 45,980.63 = 18,211.06 : x
  2. Step 2: Convert to fraction form
    33,318.82/45,980.63 = 18,211.06/x
  3. Step 3: Cross multiply
    33,318.82x = 45,980.63 × 18,211.06
  4. Step 4: Simplify right side
    33,318.82x = 837,356,011.77
  5. Step 5: Solve for x
    x = 837,356,011.77/33,318.82
  6. Step 6: Final answer
    x = 25,131.62

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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.