Home / 30,918.56-42,667.38-17,306.62

Finding the Fourth Proportional to 30,918.56, 42,667.38 and 17,306.62

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Solution

The fourth proportional to 30,918.56, 42,667.38 and 17,306.62 is: 23,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.56 : 42,667.38 = 17,306.62 : x
  2. Step 2: Convert to fraction form
    30,918.56/42,667.38 = 17,306.62/x
  3. Step 3: Cross multiply
    30,918.56x = 42,667.38 × 17,306.62
  4. Step 4: Simplify right side
    30,918.56x = 738,428,132.06
  5. Step 5: Solve for x
    x = 738,428,132.06/30,918.56
  6. Step 6: Final answer
    x = 23,883.01

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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.