Home / 31,173.90-43,009.31-17,741.79

Finding the Fourth Proportional to 31,173.90, 43,009.31 and 17,741.79

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Solution

The fourth proportional to 31,173.90, 43,009.31 and 17,741.79 is: 24,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,173.90 : 43,009.31 = 17,741.79 : x
  2. Step 2: Convert to fraction form
    31,173.90/43,009.31 = 17,741.79/x
  3. Step 3: Cross multiply
    31,173.90x = 43,009.31 × 17,741.79
  4. Step 4: Simplify right side
    31,173.90x = 763,062,057.36
  5. Step 5: Solve for x
    x = 763,062,057.36/31,173.90
  6. Step 6: Final answer
    x = 24,477.59

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1.5x scale

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.