Home / 30,928.52-42,662.36-27,331.94

Finding the Fourth Proportional to 30,928.52, 42,662.36 and 27,331.94

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Solution

The fourth proportional to 30,928.52, 42,662.36 and 27,331.94 is: 37,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.52 : 42,662.36 = 27,331.94 : x
  2. Step 2: Convert to fraction form
    30,928.52/42,662.36 = 27,331.94/x
  3. Step 3: Cross multiply
    30,928.52x = 42,662.36 × 27,331.94
  4. Step 4: Simplify right side
    30,928.52x = 1,166,045,063.78
  5. Step 5: Solve for x
    x = 1,166,045,063.78/30,928.52
  6. Step 6: Final answer
    x = 37,701.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.