Home / 30,880.62-42,615.18-16,733.70

Finding the Fourth Proportional to 30,880.62, 42,615.18 and 16,733.70

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Solution

The fourth proportional to 30,880.62, 42,615.18 and 16,733.70 is: 23,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.62 : 42,615.18 = 16,733.70 : x
  2. Step 2: Convert to fraction form
    30,880.62/42,615.18 = 16,733.70/x
  3. Step 3: Cross multiply
    30,880.62x = 42,615.18 × 16,733.70
  4. Step 4: Simplify right side
    30,880.62x = 713,109,637.57
  5. Step 5: Solve for x
    x = 713,109,637.57/30,880.62
  6. Step 6: Final answer
    x = 23,092.47

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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.