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Finding the Fourth Proportional to 32,121.99, 48,170.99 and 11,056.07

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Solution

The fourth proportional to 32,121.99, 48,170.99 and 11,056.07 is: 16,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.99 : 48,170.99 = 11,056.07 : x
  2. Step 2: Convert to fraction form
    32,121.99/48,170.99 = 11,056.07/x
  3. Step 3: Cross multiply
    32,121.99x = 48,170.99 × 11,056.07
  4. Step 4: Simplify right side
    32,121.99x = 532,581,837.41
  5. Step 5: Solve for x
    x = 532,581,837.41/32,121.99
  6. Step 6: Final answer
    x = 16,579.98

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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.