Home / 31,903.48-47,819.96-13,173.19

Finding the Fourth Proportional to 31,903.48, 47,819.96 and 13,173.19

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Solution

The fourth proportional to 31,903.48, 47,819.96 and 13,173.19 is: 19,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.48 : 47,819.96 = 13,173.19 : x
  2. Step 2: Convert to fraction form
    31,903.48/47,819.96 = 13,173.19/x
  3. Step 3: Cross multiply
    31,903.48x = 47,819.96 × 13,173.19
  4. Step 4: Simplify right side
    31,903.48x = 629,941,113.91
  5. Step 5: Solve for x
    x = 629,941,113.91/31,903.48
  6. Step 6: Final answer
    x = 19,745.22

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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.