Home / 32,119.10-48,171.45-21,103.10

Finding the Fourth Proportional to 32,119.10, 48,171.45 and 21,103.10

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Solution

The fourth proportional to 32,119.10, 48,171.45 and 21,103.10 is: 31,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,119.10 : 48,171.45 = 21,103.10 : x
  2. Step 2: Convert to fraction form
    32,119.10/48,171.45 = 21,103.10/x
  3. Step 3: Cross multiply
    32,119.10x = 48,171.45 × 21,103.10
  4. Step 4: Simplify right side
    32,119.10x = 1,016,566,926.50
  5. Step 5: Solve for x
    x = 1,016,566,926.50/32,119.10
  6. Step 6: Final answer
    x = 31,649.92

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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.