Home / 33,318.48-45,980.06-19,887.12

Finding the Fourth Proportional to 33,318.48, 45,980.06 and 19,887.12

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Solution

The fourth proportional to 33,318.48, 45,980.06 and 19,887.12 is: 27,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.48 : 45,980.06 = 19,887.12 : x
  2. Step 2: Convert to fraction form
    33,318.48/45,980.06 = 19,887.12/x
  3. Step 3: Cross multiply
    33,318.48x = 45,980.06 × 19,887.12
  4. Step 4: Simplify right side
    33,318.48x = 914,410,970.83
  5. Step 5: Solve for x
    x = 914,410,970.83/33,318.48
  6. Step 6: Final answer
    x = 27,444.56

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Similar ratio
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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.