Home / 31,868.02-43,977.31-17,720.56

Finding the Fourth Proportional to 31,868.02, 43,977.31 and 17,720.56

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Solution

The fourth proportional to 31,868.02, 43,977.31 and 17,720.56 is: 24,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.02 : 43,977.31 = 17,720.56 : x
  2. Step 2: Convert to fraction form
    31,868.02/43,977.31 = 17,720.56/x
  3. Step 3: Cross multiply
    31,868.02x = 43,977.31 × 17,720.56
  4. Step 4: Simplify right side
    31,868.02x = 779,302,252.00
  5. Step 5: Solve for x
    x = 779,302,252.00/31,868.02
  6. Step 6: Final answer
    x = 24,454.06

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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.