Home / 51,095.64-76,643.75-17,815.55

Finding the Fourth Proportional to 51,095.64, 76,643.75 and 17,815.55

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Solution

The fourth proportional to 51,095.64, 76,643.75 and 17,815.55 is: 26,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,095.64 : 76,643.75 = 17,815.55 : x
  2. Step 2: Convert to fraction form
    51,095.64/76,643.75 = 17,815.55/x
  3. Step 3: Cross multiply
    51,095.64x = 76,643.75 × 17,815.55
  4. Step 4: Simplify right side
    51,095.64x = 1,365,450,221.63
  5. Step 5: Solve for x
    x = 1,365,450,221.63/51,095.64
  6. Step 6: Final answer
    x = 26,723.42

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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.