Home / 30,191.56-41,665.38-18,252.52

Finding the Fourth Proportional to 30,191.56, 41,665.38 and 18,252.52

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Solution

The fourth proportional to 30,191.56, 41,665.38 and 18,252.52 is: 25,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.56 : 41,665.38 = 18,252.52 : x
  2. Step 2: Convert to fraction form
    30,191.56/41,665.38 = 18,252.52/x
  3. Step 3: Cross multiply
    30,191.56x = 41,665.38 × 18,252.52
  4. Step 4: Simplify right side
    30,191.56x = 760,498,181.76
  5. Step 5: Solve for x
    x = 760,498,181.76/30,191.56
  6. Step 6: Final answer
    x = 25,189.10

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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.