Home / 49,654.22-74,479.50-12,214.40

Finding the Fourth Proportional to 49,654.22, 74,479.50 and 12,214.40

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Solution

The fourth proportional to 49,654.22, 74,479.50 and 12,214.40 is: 18,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,654.22 : 74,479.50 = 12,214.40 : x
  2. Step 2: Convert to fraction form
    49,654.22/74,479.50 = 12,214.40/x
  3. Step 3: Cross multiply
    49,654.22x = 74,479.50 × 12,214.40
  4. Step 4: Simplify right side
    49,654.22x = 909,722,032.40
  5. Step 5: Solve for x
    x = 909,722,032.40/49,654.22
  6. Step 6: Final answer
    x = 18,321.14

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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.