Home / 43,740.50-65,621.15-14,158.33

Finding the Fourth Proportional to 43,740.50, 65,621.15 and 14,158.33

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Solution

The fourth proportional to 43,740.50, 65,621.15 and 14,158.33 is: 21,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740.50 : 65,621.15 = 14,158.33 : x
  2. Step 2: Convert to fraction form
    43,740.50/65,621.15 = 14,158.33/x
  3. Step 3: Cross multiply
    43,740.50x = 65,621.15 × 14,158.33
  4. Step 4: Simplify right side
    43,740.50x = 929,085,568.57
  5. Step 5: Solve for x
    x = 929,085,568.57/43,740.50
  6. Step 6: Final answer
    x = 21,240.86

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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.