Home / 51,885.14-71,606.87-31,755.42

Finding the Fourth Proportional to 51,885.14, 71,606.87 and 31,755.42

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Solution

The fourth proportional to 51,885.14, 71,606.87 and 31,755.42 is: 43,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,885.14 : 71,606.87 = 31,755.42 : x
  2. Step 2: Convert to fraction form
    51,885.14/71,606.87 = 31,755.42/x
  3. Step 3: Cross multiply
    51,885.14x = 71,606.87 × 31,755.42
  4. Step 4: Simplify right side
    51,885.14x = 2,273,906,192.04
  5. Step 5: Solve for x
    x = 2,273,906,192.04/51,885.14
  6. Step 6: Final answer
    x = 43,825.77

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1.5x scale

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.