Home / 30,326.46-45,489.69-11,845.50

Finding the Fourth Proportional to 30,326.46, 45,489.69 and 11,845.50

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Solution

The fourth proportional to 30,326.46, 45,489.69 and 11,845.50 is: 17,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.46 : 45,489.69 = 11,845.50 : x
  2. Step 2: Convert to fraction form
    30,326.46/45,489.69 = 11,845.50/x
  3. Step 3: Cross multiply
    30,326.46x = 45,489.69 × 11,845.50
  4. Step 4: Simplify right side
    30,326.46x = 538,848,122.90
  5. Step 5: Solve for x
    x = 538,848,122.90/30,326.46
  6. Step 6: Final answer
    x = 17,768.25

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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.