Home / 30,207.62-41,689.79-18,277.54

Finding the Fourth Proportional to 30,207.62, 41,689.79 and 18,277.54

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Solution

The fourth proportional to 30,207.62, 41,689.79 and 18,277.54 is: 25,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.62 : 41,689.79 = 18,277.54 : x
  2. Step 2: Convert to fraction form
    30,207.62/41,689.79 = 18,277.54/x
  3. Step 3: Cross multiply
    30,207.62x = 41,689.79 × 18,277.54
  4. Step 4: Simplify right side
    30,207.62x = 761,986,504.48
  5. Step 5: Solve for x
    x = 761,986,504.48/30,207.62
  6. Step 6: Final answer
    x = 25,224.98

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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.