Home / 43,530.14-65,299.91-18,572.83

Finding the Fourth Proportional to 43,530.14, 65,299.91 and 18,572.83

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Solution

The fourth proportional to 43,530.14, 65,299.91 and 18,572.83 is: 27,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.14 : 65,299.91 = 18,572.83 : x
  2. Step 2: Convert to fraction form
    43,530.14/65,299.91 = 18,572.83/x
  3. Step 3: Cross multiply
    43,530.14x = 65,299.91 × 18,572.83
  4. Step 4: Simplify right side
    43,530.14x = 1,212,804,127.45
  5. Step 5: Solve for x
    x = 1,212,804,127.45/43,530.14
  6. Step 6: Final answer
    x = 27,861.25

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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.