Home / 30,437.06-41,968.96-19,667.75

Finding the Fourth Proportional to 30,437.06, 41,968.96 and 19,667.75

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Solution

The fourth proportional to 30,437.06, 41,968.96 and 19,667.75 is: 27,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.06 : 41,968.96 = 19,667.75 : x
  2. Step 2: Convert to fraction form
    30,437.06/41,968.96 = 19,667.75/x
  3. Step 3: Cross multiply
    30,437.06x = 41,968.96 × 19,667.75
  4. Step 4: Simplify right side
    30,437.06x = 825,434,754.03
  5. Step 5: Solve for x
    x = 825,434,754.03/30,437.06
  6. Step 6: Final answer
    x = 27,119.40

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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.