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Finding the Fourth Proportional to 23,518.80, 33,013.80 and 23,518.80

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Solution

The fourth proportional to 23,518.80, 33,013.80 and 23,518.80 is: 33,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,518.80 : 33,013.80 = 23,518.80 : x
  2. Step 2: Convert to fraction form
    23,518.80/33,013.80 = 23,518.80/x
  3. Step 3: Cross multiply
    23,518.80x = 33,013.80 × 23,518.80
  4. Step 4: Simplify right side
    23,518.80x = 776,444,959.44
  5. Step 5: Solve for x
    x = 776,444,959.44/23,518.80
  6. Step 6: Final answer
    x = 33,013.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.