Home / 49,989.80-74,985.90-14,930.60

Finding the Fourth Proportional to 49,989.80, 74,985.90 and 14,930.60

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Solution

The fourth proportional to 49,989.80, 74,985.90 and 14,930.60 is: 22,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.80 : 74,985.90 = 14,930.60 : x
  2. Step 2: Convert to fraction form
    49,989.80/74,985.90 = 14,930.60/x
  3. Step 3: Cross multiply
    49,989.80x = 74,985.90 × 14,930.60
  4. Step 4: Simplify right side
    49,989.80x = 1,119,584,478.54
  5. Step 5: Solve for x
    x = 1,119,584,478.54/49,989.80
  6. Step 6: Final answer
    x = 22,396.26

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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.