Home / 30,706.82-42,372.39-17,277.74

Finding the Fourth Proportional to 30,706.82, 42,372.39 and 17,277.74

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Solution

The fourth proportional to 30,706.82, 42,372.39 and 17,277.74 is: 23,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706.82 : 42,372.39 = 17,277.74 : x
  2. Step 2: Convert to fraction form
    30,706.82/42,372.39 = 17,277.74/x
  3. Step 3: Cross multiply
    30,706.82x = 42,372.39 × 17,277.74
  4. Step 4: Simplify right side
    30,706.82x = 732,099,137.60
  5. Step 5: Solve for x
    x = 732,099,137.60/30,706.82
  6. Step 6: Final answer
    x = 23,841.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.