Home / 36,242.84-50,015.60-21,900.64

Finding the Fourth Proportional to 36,242.84, 50,015.60 and 21,900.64

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Solution

The fourth proportional to 36,242.84, 50,015.60 and 21,900.64 is: 30,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,242.84 : 50,015.60 = 21,900.64 : x
  2. Step 2: Convert to fraction form
    36,242.84/50,015.60 = 21,900.64/x
  3. Step 3: Cross multiply
    36,242.84x = 50,015.60 × 21,900.64
  4. Step 4: Simplify right side
    36,242.84x = 1,095,373,649.98
  5. Step 5: Solve for x
    x = 1,095,373,649.98/36,242.84
  6. Step 6: Final answer
    x = 30,223.17

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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.