Home / 32,448.60-48,615.30-20,122.20

Finding the Fourth Proportional to 32,448.60, 48,615.30 and 20,122.20

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Solution

The fourth proportional to 32,448.60, 48,615.30 and 20,122.20 is: 30,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,448.60 : 48,615.30 = 20,122.20 : x
  2. Step 2: Convert to fraction form
    32,448.60/48,615.30 = 20,122.20/x
  3. Step 3: Cross multiply
    32,448.60x = 48,615.30 × 20,122.20
  4. Step 4: Simplify right side
    32,448.60x = 978,246,789.66
  5. Step 5: Solve for x
    x = 978,246,789.66/32,448.60
  6. Step 6: Final answer
    x = 30,147.58

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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.