Home / 45,838.44-68,746.52-19,170

Finding the Fourth Proportional to 45,838.44, 68,746.52 and 19,170

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Solution

The fourth proportional to 45,838.44, 68,746.52 and 19,170 is: 28,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,838.44 : 68,746.52 = 19,170 : x
  2. Step 2: Convert to fraction form
    45,838.44/68,746.52 = 19,170/x
  3. Step 3: Cross multiply
    45,838.44x = 68,746.52 × 19,170
  4. Step 4: Simplify right side
    45,838.44x = 1,317,870,788.40
  5. Step 5: Solve for x
    x = 1,317,870,788.40/45,838.44
  6. Step 6: Final answer
    x = 28,750.34

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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.