Home / 51,141.64-76,730.88-17,866.60

Finding the Fourth Proportional to 51,141.64, 76,730.88 and 17,866.60

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Solution

The fourth proportional to 51,141.64, 76,730.88 and 17,866.60 is: 26,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,141.64 : 76,730.88 = 17,866.60 : x
  2. Step 2: Convert to fraction form
    51,141.64/76,730.88 = 17,866.60/x
  3. Step 3: Cross multiply
    51,141.64x = 76,730.88 × 17,866.60
  4. Step 4: Simplify right side
    51,141.64x = 1,370,919,940.61
  5. Step 5: Solve for x
    x = 1,370,919,940.61/51,141.64
  6. Step 6: Final answer
    x = 26,806.34

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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.