Home / 57,266.37-79,027.45-31,776.61

Finding the Fourth Proportional to 57,266.37, 79,027.45 and 31,776.61

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Solution

The fourth proportional to 57,266.37, 79,027.45 and 31,776.61 is: 43,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266.37 : 79,027.45 = 31,776.61 : x
  2. Step 2: Convert to fraction form
    57,266.37/79,027.45 = 31,776.61/x
  3. Step 3: Cross multiply
    57,266.37x = 79,027.45 × 31,776.61
  4. Step 4: Simplify right side
    57,266.37x = 2,511,224,457.94
  5. Step 5: Solve for x
    x = 2,511,224,457.94/57,266.37
  6. Step 6: Final answer
    x = 43,851.64

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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.