Home / 38,476.98-57,714.87-31,889.25

Finding the Fourth Proportional to 38,476.98, 57,714.87 and 31,889.25

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Solution

The fourth proportional to 38,476.98, 57,714.87 and 31,889.25 is: 47,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.98 : 57,714.87 = 31,889.25 : x
  2. Step 2: Convert to fraction form
    38,476.98/57,714.87 = 31,889.25/x
  3. Step 3: Cross multiply
    38,476.98x = 57,714.87 × 31,889.25
  4. Step 4: Simplify right side
    38,476.98x = 1,840,483,918.15
  5. Step 5: Solve for x
    x = 1,840,483,918.15/38,476.98
  6. Step 6: Final answer
    x = 47,833.38

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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.