Home / 31,533.56-43,515.48-17,386.04

Finding the Fourth Proportional to 31,533.56, 43,515.48 and 17,386.04

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Solution

The fourth proportional to 31,533.56, 43,515.48 and 17,386.04 is: 23,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.56 : 43,515.48 = 17,386.04 : x
  2. Step 2: Convert to fraction form
    31,533.56/43,515.48 = 17,386.04/x
  3. Step 3: Cross multiply
    31,533.56x = 43,515.48 × 17,386.04
  4. Step 4: Simplify right side
    31,533.56x = 756,561,875.90
  5. Step 5: Solve for x
    x = 756,561,875.90/31,533.56
  6. Step 6: Final answer
    x = 23,992.28

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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.