Home / 32,486.20-48,729.30-18,440.80

Finding the Fourth Proportional to 32,486.20, 48,729.30 and 18,440.80

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Solution

The fourth proportional to 32,486.20, 48,729.30 and 18,440.80 is: 27,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.20 : 48,729.30 = 18,440.80 : x
  2. Step 2: Convert to fraction form
    32,486.20/48,729.30 = 18,440.80/x
  3. Step 3: Cross multiply
    32,486.20x = 48,729.30 × 18,440.80
  4. Step 4: Simplify right side
    32,486.20x = 898,607,275.44
  5. Step 5: Solve for x
    x = 898,607,275.44/32,486.20
  6. Step 6: Final answer
    x = 27,661.20

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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.