Home / 45,427.82-68,142.33-14,263.07

Finding the Fourth Proportional to 45,427.82, 68,142.33 and 14,263.07

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Solution

The fourth proportional to 45,427.82, 68,142.33 and 14,263.07 is: 21,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,427.82 : 68,142.33 = 14,263.07 : x
  2. Step 2: Convert to fraction form
    45,427.82/68,142.33 = 14,263.07/x
  3. Step 3: Cross multiply
    45,427.82x = 68,142.33 × 14,263.07
  4. Step 4: Simplify right side
    45,427.82x = 971,918,822.75
  5. Step 5: Solve for x
    x = 971,918,822.75/45,427.82
  6. Step 6: Final answer
    x = 21,394.79

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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.