Home / 48,686.80-73,030.20-19,105.60

Finding the Fourth Proportional to 48,686.80, 73,030.20 and 19,105.60

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Solution

The fourth proportional to 48,686.80, 73,030.20 and 19,105.60 is: 28,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.80 : 73,030.20 = 19,105.60 : x
  2. Step 2: Convert to fraction form
    48,686.80/73,030.20 = 19,105.60/x
  3. Step 3: Cross multiply
    48,686.80x = 73,030.20 × 19,105.60
  4. Step 4: Simplify right side
    48,686.80x = 1,395,285,789.12
  5. Step 5: Solve for x
    x = 1,395,285,789.12/48,686.80
  6. Step 6: Final answer
    x = 28,658.40

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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.