Home / 36,718.79-50,671.78-21,611.34

Finding the Fourth Proportional to 36,718.79, 50,671.78 and 21,611.34

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Solution

The fourth proportional to 36,718.79, 50,671.78 and 21,611.34 is: 29,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718.79 : 50,671.78 = 21,611.34 : x
  2. Step 2: Convert to fraction form
    36,718.79/50,671.78 = 21,611.34/x
  3. Step 3: Cross multiply
    36,718.79x = 50,671.78 × 21,611.34
  4. Step 4: Simplify right side
    36,718.79x = 1,095,085,065.99
  5. Step 5: Solve for x
    x = 1,095,085,065.99/36,718.79
  6. Step 6: Final answer
    x = 29,823.56

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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.