Home / 32,619.57-48,913.94-12,638.42

Finding the Fourth Proportional to 32,619.57, 48,913.94 and 12,638.42

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Solution

The fourth proportional to 32,619.57, 48,913.94 and 12,638.42 is: 18,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.57 : 48,913.94 = 12,638.42 : x
  2. Step 2: Convert to fraction form
    32,619.57/48,913.94 = 12,638.42/x
  3. Step 3: Cross multiply
    32,619.57x = 48,913.94 × 12,638.42
  4. Step 4: Simplify right side
    32,619.57x = 618,195,071.46
  5. Step 5: Solve for x
    x = 618,195,071.46/32,619.57
  6. Step 6: Final answer
    x = 18,951.66

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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.