Home / 30,112.70-45,167.33-9,052.31

Finding the Fourth Proportional to 30,112.70, 45,167.33 and 9,052.31

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Solution

The fourth proportional to 30,112.70, 45,167.33 and 9,052.31 is: 13,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.70 : 45,167.33 = 9,052.31 : x
  2. Step 2: Convert to fraction form
    30,112.70/45,167.33 = 9,052.31/x
  3. Step 3: Cross multiply
    30,112.70x = 45,167.33 × 9,052.31
  4. Step 4: Simplify right side
    30,112.70x = 408,868,401.93
  5. Step 5: Solve for x
    x = 408,868,401.93/30,112.70
  6. Step 6: Final answer
    x = 13,577.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.