Home / 36,085.50-54,139.19-12,717.41

Finding the Fourth Proportional to 36,085.50, 54,139.19 and 12,717.41

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Solution

The fourth proportional to 36,085.50, 54,139.19 and 12,717.41 is: 19,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085.50 : 54,139.19 = 12,717.41 : x
  2. Step 2: Convert to fraction form
    36,085.50/54,139.19 = 12,717.41/x
  3. Step 3: Cross multiply
    36,085.50x = 54,139.19 × 12,717.41
  4. Step 4: Simplify right side
    36,085.50x = 688,509,942.01
  5. Step 5: Solve for x
    x = 688,509,942.01/36,085.50
  6. Step 6: Final answer
    x = 19,079.96

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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.