Home / 67,570.56-101,370.40-20,189.44

Finding the Fourth Proportional to 67,570.56, 101,370.40 and 20,189.44

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Solution

The fourth proportional to 67,570.56, 101,370.40 and 20,189.44 is: 30,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,570.56 : 101,370.40 = 20,189.44 : x
  2. Step 2: Convert to fraction form
    67,570.56/101,370.40 = 20,189.44/x
  3. Step 3: Cross multiply
    67,570.56x = 101,370.40 × 20,189.44
  4. Step 4: Simplify right side
    67,570.56x = 2,046,611,608.58
  5. Step 5: Solve for x
    x = 2,046,611,608.58/67,570.56
  6. Step 6: Final answer
    x = 30,288.51

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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.