Home / 51,904.40-77,857.80-18,626.72

Finding the Fourth Proportional to 51,904.40, 77,857.80 and 18,626.72

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Solution

The fourth proportional to 51,904.40, 77,857.80 and 18,626.72 is: 27,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,904.40 : 77,857.80 = 18,626.72 : x
  2. Step 2: Convert to fraction form
    51,904.40/77,857.80 = 18,626.72/x
  3. Step 3: Cross multiply
    51,904.40x = 77,857.80 × 18,626.72
  4. Step 4: Simplify right side
    51,904.40x = 1,450,235,440.42
  5. Step 5: Solve for x
    x = 1,450,235,440.42/51,904.40
  6. Step 6: Final answer
    x = 27,940.51

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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.