Home / 38,430.45-57,647.43-11,774.52

Finding the Fourth Proportional to 38,430.45, 57,647.43 and 11,774.52

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Solution

The fourth proportional to 38,430.45, 57,647.43 and 11,774.52 is: 17,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.45 : 57,647.43 = 11,774.52 : x
  2. Step 2: Convert to fraction form
    38,430.45/57,647.43 = 11,774.52/x
  3. Step 3: Cross multiply
    38,430.45x = 57,647.43 × 11,774.52
  4. Step 4: Simplify right side
    38,430.45x = 678,770,817.48
  5. Step 5: Solve for x
    x = 678,770,817.48/38,430.45
  6. Step 6: Final answer
    x = 17,662.32

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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.