Home / 30,965.93-42,734.49-17,537.75

Finding the Fourth Proportional to 30,965.93, 42,734.49 and 17,537.75

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Solution

The fourth proportional to 30,965.93, 42,734.49 and 17,537.75 is: 24,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965.93 : 42,734.49 = 17,537.75 : x
  2. Step 2: Convert to fraction form
    30,965.93/42,734.49 = 17,537.75/x
  3. Step 3: Cross multiply
    30,965.93x = 42,734.49 × 17,537.75
  4. Step 4: Simplify right side
    30,965.93x = 749,466,802.00
  5. Step 5: Solve for x
    x = 749,466,802.00/30,965.93
  6. Step 6: Final answer
    x = 24,202.95

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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.