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Finding the Fourth Proportional to 32,181.72, 48,258.90 and 14,662.68

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Solution

The fourth proportional to 32,181.72, 48,258.90 and 14,662.68 is: 21,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,181.72 : 48,258.90 = 14,662.68 : x
  2. Step 2: Convert to fraction form
    32,181.72/48,258.90 = 14,662.68/x
  3. Step 3: Cross multiply
    32,181.72x = 48,258.90 × 14,662.68
  4. Step 4: Simplify right side
    32,181.72x = 707,604,807.85
  5. Step 5: Solve for x
    x = 707,604,807.85/32,181.72
  6. Step 6: Final answer
    x = 21,987.79

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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.