Home / 48,679.02-72,984.69-19,099.80

Finding the Fourth Proportional to 48,679.02, 72,984.69 and 19,099.80

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Solution

The fourth proportional to 48,679.02, 72,984.69 and 19,099.80 is: 28,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.02 : 72,984.69 = 19,099.80 : x
  2. Step 2: Convert to fraction form
    48,679.02/72,984.69 = 19,099.80/x
  3. Step 3: Cross multiply
    48,679.02x = 72,984.69 × 19,099.80
  4. Step 4: Simplify right side
    48,679.02x = 1,393,992,982.06
  5. Step 5: Solve for x
    x = 1,393,992,982.06/48,679.02
  6. Step 6: Final answer
    x = 28,636.42

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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.