Home / 36,018.25-49,702.44-20,908.47

Finding the Fourth Proportional to 36,018.25, 49,702.44 and 20,908.47

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Solution

The fourth proportional to 36,018.25, 49,702.44 and 20,908.47 is: 28,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.25 : 49,702.44 = 20,908.47 : x
  2. Step 2: Convert to fraction form
    36,018.25/49,702.44 = 20,908.47/x
  3. Step 3: Cross multiply
    36,018.25x = 49,702.44 × 20,908.47
  4. Step 4: Simplify right side
    36,018.25x = 1,039,202,240.46
  5. Step 5: Solve for x
    x = 1,039,202,240.46/36,018.25
  6. Step 6: Final answer
    x = 28,852.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.