Home / 55,115.40-82,707.12-25,527.72

Finding the Fourth Proportional to 55,115.40, 82,707.12 and 25,527.72

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Solution

The fourth proportional to 55,115.40, 82,707.12 and 25,527.72 is: 38,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,115.40 : 82,707.12 = 25,527.72 : x
  2. Step 2: Convert to fraction form
    55,115.40/82,707.12 = 25,527.72/x
  3. Step 3: Cross multiply
    55,115.40x = 82,707.12 × 25,527.72
  4. Step 4: Simplify right side
    55,115.40x = 2,111,324,201.37
  5. Step 5: Solve for x
    x = 2,111,324,201.37/55,115.40
  6. Step 6: Final answer
    x = 38,307.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.