Home / 30,112.81-41,561.51-17,374.22

Finding the Fourth Proportional to 30,112.81, 41,561.51 and 17,374.22

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Solution

The fourth proportional to 30,112.81, 41,561.51 and 17,374.22 is: 23,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.81 : 41,561.51 = 17,374.22 : x
  2. Step 2: Convert to fraction form
    30,112.81/41,561.51 = 17,374.22/x
  3. Step 3: Cross multiply
    30,112.81x = 41,561.51 × 17,374.22
  4. Step 4: Simplify right side
    30,112.81x = 722,098,796.34
  5. Step 5: Solve for x
    x = 722,098,796.34/30,112.81
  6. Step 6: Final answer
    x = 23,979.79

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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.