Home / 51,727.85-71,391.03-31,580.42

Finding the Fourth Proportional to 51,727.85, 71,391.03 and 31,580.42

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Solution

The fourth proportional to 51,727.85, 71,391.03 and 31,580.42 is: 43,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,727.85 : 71,391.03 = 31,580.42 : x
  2. Step 2: Convert to fraction form
    51,727.85/71,391.03 = 31,580.42/x
  3. Step 3: Cross multiply
    51,727.85x = 71,391.03 × 31,580.42
  4. Step 4: Simplify right side
    51,727.85x = 2,254,558,890.11
  5. Step 5: Solve for x
    x = 2,254,558,890.11/51,727.85
  6. Step 6: Final answer
    x = 43,585.01

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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.