Home / 51,670.70-71,313.35-31,539.29

Finding the Fourth Proportional to 51,670.70, 71,313.35 and 31,539.29

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Solution

The fourth proportional to 51,670.70, 71,313.35 and 31,539.29 is: 43,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,670.70 : 71,313.35 = 31,539.29 : x
  2. Step 2: Convert to fraction form
    51,670.70/71,313.35 = 31,539.29/x
  3. Step 3: Cross multiply
    51,670.70x = 71,313.35 × 31,539.29
  4. Step 4: Simplify right side
    51,670.70x = 2,249,171,912.26
  5. Step 5: Solve for x
    x = 2,249,171,912.26/51,670.70
  6. Step 6: Final answer
    x = 43,528.97

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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.