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Finding the Fourth Proportional to 45,351.82, 68,027.88 and 13,762.14

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Solution

The fourth proportional to 45,351.82, 68,027.88 and 13,762.14 is: 20,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.82 : 68,027.88 = 13,762.14 : x
  2. Step 2: Convert to fraction form
    45,351.82/68,027.88 = 13,762.14/x
  3. Step 3: Cross multiply
    45,351.82x = 68,027.88 × 13,762.14
  4. Step 4: Simplify right side
    45,351.82x = 936,209,208.46
  5. Step 5: Solve for x
    x = 936,209,208.46/45,351.82
  6. Step 6: Final answer
    x = 20,643.26

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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.