Home / 57,303.31-79,074.60-31,807.66

Finding the Fourth Proportional to 57,303.31, 79,074.60 and 31,807.66

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Solution

The fourth proportional to 57,303.31, 79,074.60 and 31,807.66 is: 43,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,303.31 : 79,074.60 = 31,807.66 : x
  2. Step 2: Convert to fraction form
    57,303.31/79,074.60 = 31,807.66/x
  3. Step 3: Cross multiply
    57,303.31x = 79,074.60 × 31,807.66
  4. Step 4: Simplify right side
    57,303.31x = 2,515,177,991.44
  5. Step 5: Solve for x
    x = 2,515,177,991.44/57,303.31
  6. Step 6: Final answer
    x = 43,892.37

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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.