Home / 40,245.10-60,407.38-30,214.96

Finding the Fourth Proportional to 40,245.10, 60,407.38 and 30,214.96

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Solution

The fourth proportional to 40,245.10, 60,407.38 and 30,214.96 is: 45,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,245.10 : 60,407.38 = 30,214.96 : x
  2. Step 2: Convert to fraction form
    40,245.10/60,407.38 = 30,214.96/x
  3. Step 3: Cross multiply
    40,245.10x = 60,407.38 × 30,214.96
  4. Step 4: Simplify right side
    40,245.10x = 1,825,206,570.40
  5. Step 5: Solve for x
    x = 1,825,206,570.40/40,245.10
  6. Step 6: Final answer
    x = 45,352.27

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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.