Home / 40,130.68-60,163.18-15,156.56

Finding the Fourth Proportional to 40,130.68, 60,163.18 and 15,156.56

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Solution

The fourth proportional to 40,130.68, 60,163.18 and 15,156.56 is: 22,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.68 : 60,163.18 = 15,156.56 : x
  2. Step 2: Convert to fraction form
    40,130.68/60,163.18 = 15,156.56/x
  3. Step 3: Cross multiply
    40,130.68x = 60,163.18 × 15,156.56
  4. Step 4: Simplify right side
    40,130.68x = 911,866,847.46
  5. Step 5: Solve for x
    x = 911,866,847.46/40,130.68
  6. Step 6: Final answer
    x = 22,722.44

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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.