Home / 31,156.02-46,741.82-8,969.36

Finding the Fourth Proportional to 31,156.02, 46,741.82 and 8,969.36

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Solution

The fourth proportional to 31,156.02, 46,741.82 and 8,969.36 is: 13,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156.02 : 46,741.82 = 8,969.36 : x
  2. Step 2: Convert to fraction form
    31,156.02/46,741.82 = 8,969.36/x
  3. Step 3: Cross multiply
    31,156.02x = 46,741.82 × 8,969.36
  4. Step 4: Simplify right side
    31,156.02x = 419,243,932.08
  5. Step 5: Solve for x
    x = 419,243,932.08/31,156.02
  6. Step 6: Final answer
    x = 13,456.27

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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.