Home / 20,042.07-30,046.63-11,701.50

Finding the Fourth Proportional to 20,042.07, 30,046.63 and 11,701.50

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Solution

The fourth proportional to 20,042.07, 30,046.63 and 11,701.50 is: 17,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.07 : 30,046.63 = 11,701.50 : x
  2. Step 2: Convert to fraction form
    20,042.07/30,046.63 = 11,701.50/x
  3. Step 3: Cross multiply
    20,042.07x = 30,046.63 × 11,701.50
  4. Step 4: Simplify right side
    20,042.07x = 351,590,640.95
  5. Step 5: Solve for x
    x = 351,590,640.95/20,042.07
  6. Step 6: Final answer
    x = 17,542.63

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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.