Home / 48,003.20-72,004.80-43,395.20

Finding the Fourth Proportional to 48,003.20, 72,004.80 and 43,395.20

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Solution

The fourth proportional to 48,003.20, 72,004.80 and 43,395.20 is: 65,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,003.20 : 72,004.80 = 43,395.20 : x
  2. Step 2: Convert to fraction form
    48,003.20/72,004.80 = 43,395.20/x
  3. Step 3: Cross multiply
    48,003.20x = 72,004.80 × 43,395.20
  4. Step 4: Simplify right side
    48,003.20x = 3,124,662,696.96
  5. Step 5: Solve for x
    x = 3,124,662,696.96/48,003.20
  6. Step 6: Final answer
    x = 65,092.80

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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.