Home / 34,215.30-47,193.35-31,392.02

Finding the Fourth Proportional to 34,215.30, 47,193.35 and 31,392.02

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Solution

The fourth proportional to 34,215.30, 47,193.35 and 31,392.02 is: 43,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,215.30 : 47,193.35 = 31,392.02 : x
  2. Step 2: Convert to fraction form
    34,215.30/47,193.35 = 31,392.02/x
  3. Step 3: Cross multiply
    34,215.30x = 47,193.35 × 31,392.02
  4. Step 4: Simplify right side
    34,215.30x = 1,481,494,548.09
  5. Step 5: Solve for x
    x = 1,481,494,548.09/34,215.30
  6. Step 6: Final answer
    x = 43,299.18

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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.