Home / 36,220.46-49,985.53-21,110.68

Finding the Fourth Proportional to 36,220.46, 49,985.53 and 21,110.68

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Solution

The fourth proportional to 36,220.46, 49,985.53 and 21,110.68 is: 29,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.46 : 49,985.53 = 21,110.68 : x
  2. Step 2: Convert to fraction form
    36,220.46/49,985.53 = 21,110.68/x
  3. Step 3: Cross multiply
    36,220.46x = 49,985.53 × 21,110.68
  4. Step 4: Simplify right side
    36,220.46x = 1,055,228,738.12
  5. Step 5: Solve for x
    x = 1,055,228,738.12/36,220.46
  6. Step 6: Final answer
    x = 29,133.50

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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.