Home / 38,628.45-57,951.71-11,973.05

Finding the Fourth Proportional to 38,628.45, 57,951.71 and 11,973.05

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Solution

The fourth proportional to 38,628.45, 57,951.71 and 11,973.05 is: 17,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.45 : 57,951.71 = 11,973.05 : x
  2. Step 2: Convert to fraction form
    38,628.45/57,951.71 = 11,973.05/x
  3. Step 3: Cross multiply
    38,628.45x = 57,951.71 × 11,973.05
  4. Step 4: Simplify right side
    38,628.45x = 693,858,431.66
  5. Step 5: Solve for x
    x = 693,858,431.66/38,628.45
  6. Step 6: Final answer
    x = 17,962.37

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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.