Home / 57,304.37-79,077.98-31,811.85

Finding the Fourth Proportional to 57,304.37, 79,077.98 and 31,811.85

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Solution

The fourth proportional to 57,304.37, 79,077.98 and 31,811.85 is: 43,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304.37 : 79,077.98 = 31,811.85 : x
  2. Step 2: Convert to fraction form
    57,304.37/79,077.98 = 31,811.85/x
  3. Step 3: Cross multiply
    57,304.37x = 79,077.98 × 31,811.85
  4. Step 4: Simplify right side
    57,304.37x = 2,515,616,679.00
  5. Step 5: Solve for x
    x = 2,515,616,679.00/57,304.37
  6. Step 6: Final answer
    x = 43,899.22

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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.