Home / 30,503.04-42,092.25-17,072.03

Finding the Fourth Proportional to 30,503.04, 42,092.25 and 17,072.03

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Solution

The fourth proportional to 30,503.04, 42,092.25 and 17,072.03 is: 23,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503.04 : 42,092.25 = 17,072.03 : x
  2. Step 2: Convert to fraction form
    30,503.04/42,092.25 = 17,072.03/x
  3. Step 3: Cross multiply
    30,503.04x = 42,092.25 × 17,072.03
  4. Step 4: Simplify right side
    30,503.04x = 718,599,944.31
  5. Step 5: Solve for x
    x = 718,599,944.31/30,503.04
  6. Step 6: Final answer
    x = 23,558.31

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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.