Home / 45,816.84-68,726.52-12,537.36

Finding the Fourth Proportional to 45,816.84, 68,726.52 and 12,537.36

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Solution

The fourth proportional to 45,816.84, 68,726.52 and 12,537.36 is: 18,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816.84 : 68,726.52 = 12,537.36 : x
  2. Step 2: Convert to fraction form
    45,816.84/68,726.52 = 12,537.36/x
  3. Step 3: Cross multiply
    45,816.84x = 68,726.52 × 12,537.36
  4. Step 4: Simplify right side
    45,816.84x = 861,649,122.79
  5. Step 5: Solve for x
    x = 861,649,122.79/45,816.84
  6. Step 6: Final answer
    x = 18,806.38

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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.