Home / 29,129.93-43,667.21-18,570.31

Finding the Fourth Proportional to 29,129.93, 43,667.21 and 18,570.31

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Solution

The fourth proportional to 29,129.93, 43,667.21 and 18,570.31 is: 27,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.93 : 43,667.21 = 18,570.31 : x
  2. Step 2: Convert to fraction form
    29,129.93/43,667.21 = 18,570.31/x
  3. Step 3: Cross multiply
    29,129.93x = 43,667.21 × 18,570.31
  4. Step 4: Simplify right side
    29,129.93x = 810,913,533.68
  5. Step 5: Solve for x
    x = 810,913,533.68/29,129.93
  6. Step 6: Final answer
    x = 27,837.82

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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.