Home / 45,372.56-68,078.34-15,774.26

Finding the Fourth Proportional to 45,372.56, 68,078.34 and 15,774.26

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Solution

The fourth proportional to 45,372.56, 68,078.34 and 15,774.26 is: 23,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,372.56 : 68,078.34 = 15,774.26 : x
  2. Step 2: Convert to fraction form
    45,372.56/68,078.34 = 15,774.26/x
  3. Step 3: Cross multiply
    45,372.56x = 68,078.34 × 15,774.26
  4. Step 4: Simplify right side
    45,372.56x = 1,073,885,095.14
  5. Step 5: Solve for x
    x = 1,073,885,095.14/45,372.56
  6. Step 6: Final answer
    x = 23,668.16

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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.