Home / 45,918.14-68,903.82-19,261.76

Finding the Fourth Proportional to 45,918.14, 68,903.82 and 19,261.76

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Solution

The fourth proportional to 45,918.14, 68,903.82 and 19,261.76 is: 28,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.14 : 68,903.82 = 19,261.76 : x
  2. Step 2: Convert to fraction form
    45,918.14/68,903.82 = 19,261.76/x
  3. Step 3: Cross multiply
    45,918.14x = 68,903.82 × 19,261.76
  4. Step 4: Simplify right side
    45,918.14x = 1,327,208,843.92
  5. Step 5: Solve for x
    x = 1,327,208,843.92/45,918.14
  6. Step 6: Final answer
    x = 28,903.80

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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.