Home / 45,680.19-68,474.28-19,040.92

Finding the Fourth Proportional to 45,680.19, 68,474.28 and 19,040.92

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Solution

The fourth proportional to 45,680.19, 68,474.28 and 19,040.92 is: 28,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,680.19 : 68,474.28 = 19,040.92 : x
  2. Step 2: Convert to fraction form
    45,680.19/68,474.28 = 19,040.92/x
  3. Step 3: Cross multiply
    45,680.19x = 68,474.28 × 19,040.92
  4. Step 4: Simplify right side
    45,680.19x = 1,303,813,521.37
  5. Step 5: Solve for x
    x = 1,303,813,521.37/45,680.19
  6. Step 6: Final answer
    x = 28,542.21

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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.