Home / 31,218.03-46,770.35-18,042.57

Finding the Fourth Proportional to 31,218.03, 46,770.35 and 18,042.57

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Solution

The fourth proportional to 31,218.03, 46,770.35 and 18,042.57 is: 27,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218.03 : 46,770.35 = 18,042.57 : x
  2. Step 2: Convert to fraction form
    31,218.03/46,770.35 = 18,042.57/x
  3. Step 3: Cross multiply
    31,218.03x = 46,770.35 × 18,042.57
  4. Step 4: Simplify right side
    31,218.03x = 843,857,223.59
  5. Step 5: Solve for x
    x = 843,857,223.59/31,218.03
  6. Step 6: Final answer
    x = 27,031.09

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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.