Home / 30,141.56-41,588.62-18,040.16

Finding the Fourth Proportional to 30,141.56, 41,588.62 and 18,040.16

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Solution

The fourth proportional to 30,141.56, 41,588.62 and 18,040.16 is: 24,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.56 : 41,588.62 = 18,040.16 : x
  2. Step 2: Convert to fraction form
    30,141.56/41,588.62 = 18,040.16/x
  3. Step 3: Cross multiply
    30,141.56x = 41,588.62 × 18,040.16
  4. Step 4: Simplify right side
    30,141.56x = 750,265,358.98
  5. Step 5: Solve for x
    x = 750,265,358.98/30,141.56
  6. Step 6: Final answer
    x = 24,891.39

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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.