Home / 38,467.90-57,701.44-12,172.87

Finding the Fourth Proportional to 38,467.90, 57,701.44 and 12,172.87

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Solution

The fourth proportional to 38,467.90, 57,701.44 and 12,172.87 is: 18,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.90 : 57,701.44 = 12,172.87 : x
  2. Step 2: Convert to fraction form
    38,467.90/57,701.44 = 12,172.87/x
  3. Step 3: Cross multiply
    38,467.90x = 57,701.44 × 12,172.87
  4. Step 4: Simplify right side
    38,467.90x = 702,392,127.93
  5. Step 5: Solve for x
    x = 702,392,127.93/38,467.90
  6. Step 6: Final answer
    x = 18,259.18

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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.