Home / 43,285.70-64,912.35-15,194.90

Finding the Fourth Proportional to 43,285.70, 64,912.35 and 15,194.90

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Solution

The fourth proportional to 43,285.70, 64,912.35 and 15,194.90 is: 22,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,285.70 : 64,912.35 = 15,194.90 : x
  2. Step 2: Convert to fraction form
    43,285.70/64,912.35 = 15,194.90/x
  3. Step 3: Cross multiply
    43,285.70x = 64,912.35 × 15,194.90
  4. Step 4: Simplify right side
    43,285.70x = 986,336,667.02
  5. Step 5: Solve for x
    x = 986,336,667.02/43,285.70
  6. Step 6: Final answer
    x = 22,786.66

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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.