Home / 31,272.72-43,156.86-17,125.32

Finding the Fourth Proportional to 31,272.72, 43,156.86 and 17,125.32

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Solution

The fourth proportional to 31,272.72, 43,156.86 and 17,125.32 is: 23,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.72 : 43,156.86 = 17,125.32 : x
  2. Step 2: Convert to fraction form
    31,272.72/43,156.86 = 17,125.32/x
  3. Step 3: Cross multiply
    31,272.72x = 43,156.86 × 17,125.32
  4. Step 4: Simplify right side
    31,272.72x = 739,075,037.70
  5. Step 5: Solve for x
    x = 739,075,037.70/31,272.72
  6. Step 6: Final answer
    x = 23,633.22

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