Home / 33,159.20-49,738.80-9,785.60

Finding the Fourth Proportional to 33,159.20, 49,738.80 and 9,785.60

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Solution

The fourth proportional to 33,159.20, 49,738.80 and 9,785.60 is: 14,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.20 : 49,738.80 = 9,785.60 : x
  2. Step 2: Convert to fraction form
    33,159.20/49,738.80 = 9,785.60/x
  3. Step 3: Cross multiply
    33,159.20x = 49,738.80 × 9,785.60
  4. Step 4: Simplify right side
    33,159.20x = 486,724,001.28
  5. Step 5: Solve for x
    x = 486,724,001.28/33,159.20
  6. Step 6: Final answer
    x = 14,678.40

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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.