Home / 20,043.32-30,048.50-11,702.75

Finding the Fourth Proportional to 20,043.32, 30,048.50 and 11,702.75

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Solution

The fourth proportional to 20,043.32, 30,048.50 and 11,702.75 is: 17,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.32 : 30,048.50 = 11,702.75 : x
  2. Step 2: Convert to fraction form
    20,043.32/30,048.50 = 11,702.75/x
  3. Step 3: Cross multiply
    20,043.32x = 30,048.50 × 11,702.75
  4. Step 4: Simplify right side
    20,043.32x = 351,649,962.39
  5. Step 5: Solve for x
    x = 351,649,962.39/20,043.32
  6. Step 6: Final answer
    x = 17,544.50

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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.