Home / 47,431.66-65,458.21-27,291.60

Finding the Fourth Proportional to 47,431.66, 65,458.21 and 27,291.60

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Solution

The fourth proportional to 47,431.66, 65,458.21 and 27,291.60 is: 37,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.66 : 65,458.21 = 27,291.60 : x
  2. Step 2: Convert to fraction form
    47,431.66/65,458.21 = 27,291.60/x
  3. Step 3: Cross multiply
    47,431.66x = 65,458.21 × 27,291.60
  4. Step 4: Simplify right side
    47,431.66x = 1,786,459,266.98
  5. Step 5: Solve for x
    x = 1,786,459,266.98/47,431.66
  6. Step 6: Final answer
    x = 37,663.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.