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Finding the Fourth Proportional to 32,685.88, 48,996.42 and 12,952.12

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Solution

The fourth proportional to 32,685.88, 48,996.42 and 12,952.12 is: 19,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.88 : 48,996.42 = 12,952.12 : x
  2. Step 2: Convert to fraction form
    32,685.88/48,996.42 = 12,952.12/x
  3. Step 3: Cross multiply
    32,685.88x = 48,996.42 × 12,952.12
  4. Step 4: Simplify right side
    32,685.88x = 634,607,511.41
  5. Step 5: Solve for x
    x = 634,607,511.41/32,685.88
  6. Step 6: Final answer
    x = 19,415.34

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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.