Home / 51,677.89-71,323.29-31,546.49

Finding the Fourth Proportional to 51,677.89, 71,323.29 and 31,546.49

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Solution

The fourth proportional to 51,677.89, 71,323.29 and 31,546.49 is: 43,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,677.89 : 71,323.29 = 31,546.49 : x
  2. Step 2: Convert to fraction form
    51,677.89/71,323.29 = 31,546.49/x
  3. Step 3: Cross multiply
    51,677.89x = 71,323.29 × 31,546.49
  4. Step 4: Simplify right side
    51,677.89x = 2,249,999,297.02
  5. Step 5: Solve for x
    x = 2,249,999,297.02/51,677.89
  6. Step 6: Final answer
    x = 43,538.92

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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.