Home / 43,588.24-65,407.59-18,285.49

Finding the Fourth Proportional to 43,588.24, 65,407.59 and 18,285.49

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Solution

The fourth proportional to 43,588.24, 65,407.59 and 18,285.49 is: 27,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,588.24 : 65,407.59 = 18,285.49 : x
  2. Step 2: Convert to fraction form
    43,588.24/65,407.59 = 18,285.49/x
  3. Step 3: Cross multiply
    43,588.24x = 65,407.59 × 18,285.49
  4. Step 4: Simplify right side
    43,588.24x = 1,196,009,741.44
  5. Step 5: Solve for x
    x = 1,196,009,741.44/43,588.24
  6. Step 6: Final answer
    x = 27,438.82

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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.