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Finding the Fourth Proportional to 33,054.70, 49,610.40 and 13,347.40

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Solution

The fourth proportional to 33,054.70, 49,610.40 and 13,347.40 is: 20,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,054.70 : 49,610.40 = 13,347.40 : x
  2. Step 2: Convert to fraction form
    33,054.70/49,610.40 = 13,347.40/x
  3. Step 3: Cross multiply
    33,054.70x = 49,610.40 × 13,347.40
  4. Step 4: Simplify right side
    33,054.70x = 662,169,852.96
  5. Step 5: Solve for x
    x = 662,169,852.96/33,054.70
  6. Step 6: Final answer
    x = 20,032.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.