Home / 40,288.53-60,433.98-19,230.79

Finding the Fourth Proportional to 40,288.53, 60,433.98 and 19,230.79

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Solution

The fourth proportional to 40,288.53, 60,433.98 and 19,230.79 is: 28,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.53 : 60,433.98 = 19,230.79 : x
  2. Step 2: Convert to fraction form
    40,288.53/60,433.98 = 19,230.79/x
  3. Step 3: Cross multiply
    40,288.53x = 60,433.98 × 19,230.79
  4. Step 4: Simplify right side
    40,288.53x = 1,162,193,178.24
  5. Step 5: Solve for x
    x = 1,162,193,178.24/40,288.53
  6. Step 6: Final answer
    x = 28,846.75

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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.