Home / 45,291.44-67,911-17,557.04

Finding the Fourth Proportional to 45,291.44, 67,911 and 17,557.04

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Solution

The fourth proportional to 45,291.44, 67,911 and 17,557.04 is: 26,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,291.44 : 67,911 = 17,557.04 : x
  2. Step 2: Convert to fraction form
    45,291.44/67,911 = 17,557.04/x
  3. Step 3: Cross multiply
    45,291.44x = 67,911 × 17,557.04
  4. Step 4: Simplify right side
    45,291.44x = 1,192,316,143.44
  5. Step 5: Solve for x
    x = 1,192,316,143.44/45,291.44
  6. Step 6: Final answer
    x = 26,325.42

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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.