Home / 31,984.56-47,956.30-13,277.51

Finding the Fourth Proportional to 31,984.56, 47,956.30 and 13,277.51

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Solution

The fourth proportional to 31,984.56, 47,956.30 and 13,277.51 is: 19,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.56 : 47,956.30 = 13,277.51 : x
  2. Step 2: Convert to fraction form
    31,984.56/47,956.30 = 13,277.51/x
  3. Step 3: Cross multiply
    31,984.56x = 47,956.30 × 13,277.51
  4. Step 4: Simplify right side
    31,984.56x = 636,740,029.63
  5. Step 5: Solve for x
    x = 636,740,029.63/31,984.56
  6. Step 6: Final answer
    x = 19,907.73

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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.