Home / 38,852.32-53,611.16-21,855.99

Finding the Fourth Proportional to 38,852.32, 53,611.16 and 21,855.99

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Solution

The fourth proportional to 38,852.32, 53,611.16 and 21,855.99 is: 30,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852.32 : 53,611.16 = 21,855.99 : x
  2. Step 2: Convert to fraction form
    38,852.32/53,611.16 = 21,855.99/x
  3. Step 3: Cross multiply
    38,852.32x = 53,611.16 × 21,855.99
  4. Step 4: Simplify right side
    38,852.32x = 1,171,724,976.85
  5. Step 5: Solve for x
    x = 1,171,724,976.85/38,852.32
  6. Step 6: Final answer
    x = 30,158.43

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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.