Home / 36,485.12-50,343.16-21,166.12

Finding the Fourth Proportional to 36,485.12, 50,343.16 and 21,166.12

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Solution

The fourth proportional to 36,485.12, 50,343.16 and 21,166.12 is: 29,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.12 : 50,343.16 = 21,166.12 : x
  2. Step 2: Convert to fraction form
    36,485.12/50,343.16 = 21,166.12/x
  3. Step 3: Cross multiply
    36,485.12x = 50,343.16 × 21,166.12
  4. Step 4: Simplify right side
    36,485.12x = 1,065,569,365.74
  5. Step 5: Solve for x
    x = 1,065,569,365.74/36,485.12
  6. Step 6: Final answer
    x = 29,205.59

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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.