Home / 30,973.52-42,734.04-17,542.64

Finding the Fourth Proportional to 30,973.52, 42,734.04 and 17,542.64

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Solution

The fourth proportional to 30,973.52, 42,734.04 and 17,542.64 is: 24,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.52 : 42,734.04 = 17,542.64 : x
  2. Step 2: Convert to fraction form
    30,973.52/42,734.04 = 17,542.64/x
  3. Step 3: Cross multiply
    30,973.52x = 42,734.04 × 17,542.64
  4. Step 4: Simplify right side
    30,973.52x = 749,667,879.47
  5. Step 5: Solve for x
    x = 749,667,879.47/30,973.52
  6. Step 6: Final answer
    x = 24,203.51

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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.