Home / 51,985.44-71,709.12-31,851.36

Finding the Fourth Proportional to 51,985.44, 71,709.12 and 31,851.36

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Solution

The fourth proportional to 51,985.44, 71,709.12 and 31,851.36 is: 43,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985.44 : 71,709.12 = 31,851.36 : x
  2. Step 2: Convert to fraction form
    51,985.44/71,709.12 = 31,851.36/x
  3. Step 3: Cross multiply
    51,985.44x = 71,709.12 × 31,851.36
  4. Step 4: Simplify right side
    51,985.44x = 2,284,032,996.40
  5. Step 5: Solve for x
    x = 2,284,032,996.40/51,985.44
  6. Step 6: Final answer
    x = 43,936.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.