Home / 45,225.72-67,806.90-17,147.34

Finding the Fourth Proportional to 45,225.72, 67,806.90 and 17,147.34

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Solution

The fourth proportional to 45,225.72, 67,806.90 and 17,147.34 is: 25,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,225.72 : 67,806.90 = 17,147.34 : x
  2. Step 2: Convert to fraction form
    45,225.72/67,806.90 = 17,147.34/x
  3. Step 3: Cross multiply
    45,225.72x = 67,806.90 × 17,147.34
  4. Step 4: Simplify right side
    45,225.72x = 1,162,707,968.65
  5. Step 5: Solve for x
    x = 1,162,707,968.65/45,225.72
  6. Step 6: Final answer
    x = 25,709.00

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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.