Home / 36,922.80-55,384.20-21,322.20

Finding the Fourth Proportional to 36,922.80, 55,384.20 and 21,322.20

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Solution

The fourth proportional to 36,922.80, 55,384.20 and 21,322.20 is: 31,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,922.80 : 55,384.20 = 21,322.20 : x
  2. Step 2: Convert to fraction form
    36,922.80/55,384.20 = 21,322.20/x
  3. Step 3: Cross multiply
    36,922.80x = 55,384.20 × 21,322.20
  4. Step 4: Simplify right side
    36,922.80x = 1,180,912,989.24
  5. Step 5: Solve for x
    x = 1,180,912,989.24/36,922.80
  6. Step 6: Final answer
    x = 31,983.30

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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.