Home / 40,158.48-60,238.20-19,100.76

Finding the Fourth Proportional to 40,158.48, 60,238.20 and 19,100.76

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Solution

The fourth proportional to 40,158.48, 60,238.20 and 19,100.76 is: 28,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.48 : 60,238.20 = 19,100.76 : x
  2. Step 2: Convert to fraction form
    40,158.48/60,238.20 = 19,100.76/x
  3. Step 3: Cross multiply
    40,158.48x = 60,238.20 × 19,100.76
  4. Step 4: Simplify right side
    40,158.48x = 1,150,595,401.03
  5. Step 5: Solve for x
    x = 1,150,595,401.03/40,158.48
  6. Step 6: Final answer
    x = 28,651.37

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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.