Home / 35,287.60-48,698.04-20,174.80

Finding the Fourth Proportional to 35,287.60, 48,698.04 and 20,174.80

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Solution

The fourth proportional to 35,287.60, 48,698.04 and 20,174.80 is: 27,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,287.60 : 48,698.04 = 20,174.80 : x
  2. Step 2: Convert to fraction form
    35,287.60/48,698.04 = 20,174.80/x
  3. Step 3: Cross multiply
    35,287.60x = 48,698.04 × 20,174.80
  4. Step 4: Simplify right side
    35,287.60x = 982,473,217.39
  5. Step 5: Solve for x
    x = 982,473,217.39/35,287.60
  6. Step 6: Final answer
    x = 27,841.88

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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.