Home / 35,438,861.20-53,052,003.60-21,054,524.80

Finding the Fourth Proportional to 35,438,861.20, 53,052,003.60 and 21,054,524.80

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Solution

The fourth proportional to 35,438,861.20, 53,052,003.60 and 21,054,524.80 is: 31,518,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438,861.20 : 53,052,003.60 = 21,054,524.80 : x
  2. Step 2: Convert to fraction form
    35,438,861.20/53,052,003.60 = 21,054,524.80/x
  3. Step 3: Cross multiply
    35,438,861.20x = 53,052,003.60 × 21,054,524.80
  4. Step 4: Simplify right side
    35,438,861.20x = 1,116,984,725,485,889.38
  5. Step 5: Solve for x
    x = 1,116,984,725,485,889.38/35,438,861.20
  6. Step 6: Final answer
    x = 31,518,640.49

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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.