Home / 30,793.06-45,947.75-28,912.24

Finding the Fourth Proportional to 30,793.06, 45,947.75 and 28,912.24

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Solution

The fourth proportional to 30,793.06, 45,947.75 and 28,912.24 is: 43,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,793.06 : 45,947.75 = 28,912.24 : x
  2. Step 2: Convert to fraction form
    30,793.06/45,947.75 = 28,912.24/x
  3. Step 3: Cross multiply
    30,793.06x = 45,947.75 × 28,912.24
  4. Step 4: Simplify right side
    30,793.06x = 1,328,452,375.46
  5. Step 5: Solve for x
    x = 1,328,452,375.46/30,793.06
  6. Step 6: Final answer
    x = 43,141.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.