Home / 32,961.60-49,367.88-18,900

Finding the Fourth Proportional to 32,961.60, 49,367.88 and 18,900

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Solution

The fourth proportional to 32,961.60, 49,367.88 and 18,900 is: 28,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,961.60 : 49,367.88 = 18,900 : x
  2. Step 2: Convert to fraction form
    32,961.60/49,367.88 = 18,900/x
  3. Step 3: Cross multiply
    32,961.60x = 49,367.88 × 18,900
  4. Step 4: Simplify right side
    32,961.60x = 933,052,932
  5. Step 5: Solve for x
    x = 933,052,932/32,961.60
  6. Step 6: Final answer
    x = 28,307.27

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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.