Home / 45,540.90-68,294.91-19,247.67

Finding the Fourth Proportional to 45,540.90, 68,294.91 and 19,247.67

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Solution

The fourth proportional to 45,540.90, 68,294.91 and 19,247.67 is: 28,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540.90 : 68,294.91 = 19,247.67 : x
  2. Step 2: Convert to fraction form
    45,540.90/68,294.91 = 19,247.67/x
  3. Step 3: Cross multiply
    45,540.90x = 68,294.91 × 19,247.67
  4. Step 4: Simplify right side
    45,540.90x = 1,314,517,890.36
  5. Step 5: Solve for x
    x = 1,314,517,890.36/45,540.90
  6. Step 6: Final answer
    x = 28,864.56

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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.