Home / 34,976.30-48,283.40-20,631.25

Finding the Fourth Proportional to 34,976.30, 48,283.40 and 20,631.25

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Solution

The fourth proportional to 34,976.30, 48,283.40 and 20,631.25 is: 28,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,976.30 : 48,283.40 = 20,631.25 : x
  2. Step 2: Convert to fraction form
    34,976.30/48,283.40 = 20,631.25/x
  3. Step 3: Cross multiply
    34,976.30x = 48,283.40 × 20,631.25
  4. Step 4: Simplify right side
    34,976.30x = 996,146,551.68
  5. Step 5: Solve for x
    x = 996,146,551.68/34,976.30
  6. Step 6: Final answer
    x = 28,480.62

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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.