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Finding the Fourth Proportional to 33,918.48, 46,807.20 and 19,014.48

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Solution

The fourth proportional to 33,918.48, 46,807.20 and 19,014.48 is: 26,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,918.48 : 46,807.20 = 19,014.48 : x
  2. Step 2: Convert to fraction form
    33,918.48/46,807.20 = 19,014.48/x
  3. Step 3: Cross multiply
    33,918.48x = 46,807.20 × 19,014.48
  4. Step 4: Simplify right side
    33,918.48x = 890,014,568.26
  5. Step 5: Solve for x
    x = 890,014,568.26/33,918.48
  6. Step 6: Final answer
    x = 26,239.81

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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.