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Finding the Fourth Proportional to 32,687.03, 48,987.46 and 12,954.82

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Solution

The fourth proportional to 32,687.03, 48,987.46 and 12,954.82 is: 19,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,687.03 : 48,987.46 = 12,954.82 : x
  2. Step 2: Convert to fraction form
    32,687.03/48,987.46 = 12,954.82/x
  3. Step 3: Cross multiply
    32,687.03x = 48,987.46 × 12,954.82
  4. Step 4: Simplify right side
    32,687.03x = 634,623,416.85
  5. Step 5: Solve for x
    x = 634,623,416.85/32,687.03
  6. Step 6: Final answer
    x = 19,415.15

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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.