Home / 30,616.74-45,836.55-17,928.09

Finding the Fourth Proportional to 30,616.74, 45,836.55 and 17,928.09

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Solution

The fourth proportional to 30,616.74, 45,836.55 and 17,928.09 is: 26,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616.74 : 45,836.55 = 17,928.09 : x
  2. Step 2: Convert to fraction form
    30,616.74/45,836.55 = 17,928.09/x
  3. Step 3: Cross multiply
    30,616.74x = 45,836.55 × 17,928.09
  4. Step 4: Simplify right side
    30,616.74x = 821,761,793.69
  5. Step 5: Solve for x
    x = 821,761,793.69/30,616.74
  6. Step 6: Final answer
    x = 26,840.28

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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.