Home / 30,801.45-42,506.23-17,372.97

Finding the Fourth Proportional to 30,801.45, 42,506.23 and 17,372.97

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Solution

The fourth proportional to 30,801.45, 42,506.23 and 17,372.97 is: 23,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.45 : 42,506.23 = 17,372.97 : x
  2. Step 2: Convert to fraction form
    30,801.45/42,506.23 = 17,372.97/x
  3. Step 3: Cross multiply
    30,801.45x = 42,506.23 × 17,372.97
  4. Step 4: Simplify right side
    30,801.45x = 738,459,458.60
  5. Step 5: Solve for x
    x = 738,459,458.60/30,801.45
  6. Step 6: Final answer
    x = 23,974.83

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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.