Home / 45,811.32-68,717.30-14,647.80

Finding the Fourth Proportional to 45,811.32, 68,717.30 and 14,647.80

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Solution

The fourth proportional to 45,811.32, 68,717.30 and 14,647.80 is: 21,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,811.32 : 68,717.30 = 14,647.80 : x
  2. Step 2: Convert to fraction form
    45,811.32/68,717.30 = 14,647.80/x
  3. Step 3: Cross multiply
    45,811.32x = 68,717.30 × 14,647.80
  4. Step 4: Simplify right side
    45,811.32x = 1,006,557,266.94
  5. Step 5: Solve for x
    x = 1,006,557,266.94/45,811.32
  6. Step 6: Final answer
    x = 21,971.80

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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.