Home / 30,358.20-45,534.74-17,169.08

Finding the Fourth Proportional to 30,358.20, 45,534.74 and 17,169.08

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Solution

The fourth proportional to 30,358.20, 45,534.74 and 17,169.08 is: 25,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.20 : 45,534.74 = 17,169.08 : x
  2. Step 2: Convert to fraction form
    30,358.20/45,534.74 = 17,169.08/x
  3. Step 3: Cross multiply
    30,358.20x = 45,534.74 × 17,169.08
  4. Step 4: Simplify right side
    30,358.20x = 781,789,593.84
  5. Step 5: Solve for x
    x = 781,789,593.84/30,358.20
  6. Step 6: Final answer
    x = 25,752.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.