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Finding the Fourth Proportional to 60,730, 91,095 and 19,177

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Solution

The fourth proportional to 60,730, 91,095 and 19,177 is: 28,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,730 : 91,095 = 19,177 : x
  2. Step 2: Convert to fraction form
    60,730/91,095 = 19,177/x
  3. Step 3: Cross multiply
    60,730x = 91,095 × 19,177
  4. Step 4: Simplify right side
    60,730x = 1,746,928,815
  5. Step 5: Solve for x
    x = 1,746,928,815/60,730
  6. Step 6: Final answer
    x = 28,765.50

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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.