Home / 30,537.04-42,142.84-17,112.62

Finding the Fourth Proportional to 30,537.04, 42,142.84 and 17,112.62

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Solution

The fourth proportional to 30,537.04, 42,142.84 and 17,112.62 is: 23,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.04 : 42,142.84 = 17,112.62 : x
  2. Step 2: Convert to fraction form
    30,537.04/42,142.84 = 17,112.62/x
  3. Step 3: Cross multiply
    30,537.04x = 42,142.84 × 17,112.62
  4. Step 4: Simplify right side
    30,537.04x = 721,174,352.49
  5. Step 5: Solve for x
    x = 721,174,352.49/30,537.04
  6. Step 6: Final answer
    x = 23,616.38

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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.