Home / 45,786.78-68,698.26-14,199.35

Finding the Fourth Proportional to 45,786.78, 68,698.26 and 14,199.35

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Solution

The fourth proportional to 45,786.78, 68,698.26 and 14,199.35 is: 21,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.78 : 68,698.26 = 14,199.35 : x
  2. Step 2: Convert to fraction form
    45,786.78/68,698.26 = 14,199.35/x
  3. Step 3: Cross multiply
    45,786.78x = 68,698.26 × 14,199.35
  4. Step 4: Simplify right side
    45,786.78x = 975,470,294.64
  5. Step 5: Solve for x
    x = 975,470,294.64/45,786.78
  6. Step 6: Final answer
    x = 21,304.63

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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.