Home / 43,676.93-65,515.41-18,700.76

Finding the Fourth Proportional to 43,676.93, 65,515.41 and 18,700.76

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Solution

The fourth proportional to 43,676.93, 65,515.41 and 18,700.76 is: 28,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.93 : 65,515.41 = 18,700.76 : x
  2. Step 2: Convert to fraction form
    43,676.93/65,515.41 = 18,700.76/x
  3. Step 3: Cross multiply
    43,676.93x = 65,515.41 × 18,700.76
  4. Step 4: Simplify right side
    43,676.93x = 1,225,187,631.13
  5. Step 5: Solve for x
    x = 1,225,187,631.13/43,676.93
  6. Step 6: Final answer
    x = 28,051.14

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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.