Home / 30,785.52-46,178.36-17,628.84

Finding the Fourth Proportional to 30,785.52, 46,178.36 and 17,628.84

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Solution

The fourth proportional to 30,785.52, 46,178.36 and 17,628.84 is: 26,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,785.52 : 46,178.36 = 17,628.84 : x
  2. Step 2: Convert to fraction form
    30,785.52/46,178.36 = 17,628.84/x
  3. Step 3: Cross multiply
    30,785.52x = 46,178.36 × 17,628.84
  4. Step 4: Simplify right side
    30,785.52x = 814,070,919.90
  5. Step 5: Solve for x
    x = 814,070,919.90/30,785.52
  6. Step 6: Final answer
    x = 26,443.31

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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.