Home / 30,667.46-42,316.35-17,236.22

Finding the Fourth Proportional to 30,667.46, 42,316.35 and 17,236.22

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Solution

The fourth proportional to 30,667.46, 42,316.35 and 17,236.22 is: 23,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667.46 : 42,316.35 = 17,236.22 : x
  2. Step 2: Convert to fraction form
    30,667.46/42,316.35 = 17,236.22/x
  3. Step 3: Cross multiply
    30,667.46x = 42,316.35 × 17,236.22
  4. Step 4: Simplify right side
    30,667.46x = 729,373,918.20
  5. Step 5: Solve for x
    x = 729,373,918.20/30,667.46
  6. Step 6: Final answer
    x = 23,783.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.