Home / 53,818.79-80,738.18-16,382.21

Finding the Fourth Proportional to 53,818.79, 80,738.18 and 16,382.21

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Solution

The fourth proportional to 53,818.79, 80,738.18 and 16,382.21 is: 24,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,818.79 : 80,738.18 = 16,382.21 : x
  2. Step 2: Convert to fraction form
    53,818.79/80,738.18 = 16,382.21/x
  3. Step 3: Cross multiply
    53,818.79x = 80,738.18 × 16,382.21
  4. Step 4: Simplify right side
    53,818.79x = 1,322,669,737.87
  5. Step 5: Solve for x
    x = 1,322,669,737.87/53,818.79
  6. Step 6: Final answer
    x = 24,576.36

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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.