Home / 31,994.63-47,971.41-13,287.58

Finding the Fourth Proportional to 31,994.63, 47,971.41 and 13,287.58

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Solution

The fourth proportional to 31,994.63, 47,971.41 and 13,287.58 is: 19,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,994.63 : 47,971.41 = 13,287.58 : x
  2. Step 2: Convert to fraction form
    31,994.63/47,971.41 = 13,287.58/x
  3. Step 3: Cross multiply
    31,994.63x = 47,971.41 × 13,287.58
  4. Step 4: Simplify right side
    31,994.63x = 637,423,778.33
  5. Step 5: Solve for x
    x = 637,423,778.33/31,994.63
  6. Step 6: Final answer
    x = 19,922.84

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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.