Home / 38,292.36-57,438.52-11,999.16

Finding the Fourth Proportional to 38,292.36, 57,438.52 and 11,999.16

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Solution

The fourth proportional to 38,292.36, 57,438.52 and 11,999.16 is: 17,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292.36 : 57,438.52 = 11,999.16 : x
  2. Step 2: Convert to fraction form
    38,292.36/57,438.52 = 11,999.16/x
  3. Step 3: Cross multiply
    38,292.36x = 57,438.52 × 11,999.16
  4. Step 4: Simplify right side
    38,292.36x = 689,213,991.64
  5. Step 5: Solve for x
    x = 689,213,991.64/38,292.36
  6. Step 6: Final answer
    x = 17,998.73

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1.5x scale

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.