Home / 30,881.34-42,612.84-17,452.58

Finding the Fourth Proportional to 30,881.34, 42,612.84 and 17,452.58

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Solution

The fourth proportional to 30,881.34, 42,612.84 and 17,452.58 is: 24,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.34 : 42,612.84 = 17,452.58 : x
  2. Step 2: Convert to fraction form
    30,881.34/42,612.84 = 17,452.58/x
  3. Step 3: Cross multiply
    30,881.34x = 42,612.84 × 17,452.58
  4. Step 4: Simplify right side
    30,881.34x = 743,703,786.06
  5. Step 5: Solve for x
    x = 743,703,786.06/30,881.34
  6. Step 6: Final answer
    x = 24,082.63

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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.