Home / 30,582.36-42,204.78-17,843.76

Finding the Fourth Proportional to 30,582.36, 42,204.78 and 17,843.76

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Solution

The fourth proportional to 30,582.36, 42,204.78 and 17,843.76 is: 24,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582.36 : 42,204.78 = 17,843.76 : x
  2. Step 2: Convert to fraction form
    30,582.36/42,204.78 = 17,843.76/x
  3. Step 3: Cross multiply
    30,582.36x = 42,204.78 × 17,843.76
  4. Step 4: Simplify right side
    30,582.36x = 753,091,965.17
  5. Step 5: Solve for x
    x = 753,091,965.17/30,582.36
  6. Step 6: Final answer
    x = 24,625.04

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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.