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Finding the Fourth Proportional to 32,466.08, 48,720.99 and 12,742.31

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Solution

The fourth proportional to 32,466.08, 48,720.99 and 12,742.31 is: 19,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,466.08 : 48,720.99 = 12,742.31 : x
  2. Step 2: Convert to fraction form
    32,466.08/48,720.99 = 12,742.31/x
  3. Step 3: Cross multiply
    32,466.08x = 48,720.99 × 12,742.31
  4. Step 4: Simplify right side
    32,466.08x = 620,817,714.48
  5. Step 5: Solve for x
    x = 620,817,714.48/32,466.08
  6. Step 6: Final answer
    x = 19,122.04

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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.