Home / 49,691.20-74,515.20-14,623.60

Finding the Fourth Proportional to 49,691.20, 74,515.20 and 14,623.60

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Solution

The fourth proportional to 49,691.20, 74,515.20 and 14,623.60 is: 21,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691.20 : 74,515.20 = 14,623.60 : x
  2. Step 2: Convert to fraction form
    49,691.20/74,515.20 = 14,623.60/x
  3. Step 3: Cross multiply
    49,691.20x = 74,515.20 × 14,623.60
  4. Step 4: Simplify right side
    49,691.20x = 1,089,680,478.72
  5. Step 5: Solve for x
    x = 1,089,680,478.72/49,691.20
  6. Step 6: Final answer
    x = 21,929.04

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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.