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Finding the Fourth Proportional to 48,303.80, 72,455.70 and 41,622.20

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Solution

The fourth proportional to 48,303.80, 72,455.70 and 41,622.20 is: 62,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,303.80 : 72,455.70 = 41,622.20 : x
  2. Step 2: Convert to fraction form
    48,303.80/72,455.70 = 41,622.20/x
  3. Step 3: Cross multiply
    48,303.80x = 72,455.70 × 41,622.20
  4. Step 4: Simplify right side
    48,303.80x = 3,015,765,636.54
  5. Step 5: Solve for x
    x = 3,015,765,636.54/48,303.80
  6. Step 6: Final answer
    x = 62,433.30

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1.5x scale

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.