Home / 32,231.36-48,347.04-20,532.80

Finding the Fourth Proportional to 32,231.36, 48,347.04 and 20,532.80

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Solution

The fourth proportional to 32,231.36, 48,347.04 and 20,532.80 is: 30,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,231.36 : 48,347.04 = 20,532.80 : x
  2. Step 2: Convert to fraction form
    32,231.36/48,347.04 = 20,532.80/x
  3. Step 3: Cross multiply
    32,231.36x = 48,347.04 × 20,532.80
  4. Step 4: Simplify right side
    32,231.36x = 992,700,102.91
  5. Step 5: Solve for x
    x = 992,700,102.91/32,231.36
  6. Step 6: Final answer
    x = 30,799.20

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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.