Home / 30,960.88-42,732.24-17,532.16

Finding the Fourth Proportional to 30,960.88, 42,732.24 and 17,532.16

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Solution

The fourth proportional to 30,960.88, 42,732.24 and 17,532.16 is: 24,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.88 : 42,732.24 = 17,532.16 : x
  2. Step 2: Convert to fraction form
    30,960.88/42,732.24 = 17,532.16/x
  3. Step 3: Cross multiply
    30,960.88x = 42,732.24 × 17,532.16
  4. Step 4: Simplify right side
    30,960.88x = 749,188,468.84
  5. Step 5: Solve for x
    x = 749,188,468.84/30,960.88
  6. Step 6: Final answer
    x = 24,197.91

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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.