Home / 47,372.21-65,384.63-31,242.43

Finding the Fourth Proportional to 47,372.21, 65,384.63 and 31,242.43

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Solution

The fourth proportional to 47,372.21, 65,384.63 and 31,242.43 is: 43,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,372.21 : 65,384.63 = 31,242.43 : x
  2. Step 2: Convert to fraction form
    47,372.21/65,384.63 = 31,242.43/x
  3. Step 3: Cross multiply
    47,372.21x = 65,384.63 × 31,242.43
  4. Step 4: Simplify right side
    47,372.21x = 2,042,774,576.48
  5. Step 5: Solve for x
    x = 2,042,774,576.48/47,372.21
  6. Step 6: Final answer
    x = 43,121.79

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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.