Home / 40,814.15-61,228.37-14,512.70

Finding the Fourth Proportional to 40,814.15, 61,228.37 and 14,512.70

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Solution

The fourth proportional to 40,814.15, 61,228.37 and 14,512.70 is: 21,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.15 : 61,228.37 = 14,512.70 : x
  2. Step 2: Convert to fraction form
    40,814.15/61,228.37 = 14,512.70/x
  3. Step 3: Cross multiply
    40,814.15x = 61,228.37 × 14,512.70
  4. Step 4: Simplify right side
    40,814.15x = 888,589,154.65
  5. Step 5: Solve for x
    x = 888,589,154.65/40,814.15
  6. Step 6: Final answer
    x = 21,771.60

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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.