Home / 30,801.06-42,505.26-17,372.42

Finding the Fourth Proportional to 30,801.06, 42,505.26 and 17,372.42

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Solution

The fourth proportional to 30,801.06, 42,505.26 and 17,372.42 is: 23,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.06 : 42,505.26 = 17,372.42 : x
  2. Step 2: Convert to fraction form
    30,801.06/42,505.26 = 17,372.42/x
  3. Step 3: Cross multiply
    30,801.06x = 42,505.26 × 17,372.42
  4. Step 4: Simplify right side
    30,801.06x = 738,419,349.74
  5. Step 5: Solve for x
    x = 738,419,349.74/30,801.06
  6. Step 6: Final answer
    x = 23,973.83

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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.