Home / 48,351.21-72,476.92-20,287.56

Finding the Fourth Proportional to 48,351.21, 72,476.92 and 20,287.56

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Solution

The fourth proportional to 48,351.21, 72,476.92 and 20,287.56 is: 30,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351.21 : 72,476.92 = 20,287.56 : x
  2. Step 2: Convert to fraction form
    48,351.21/72,476.92 = 20,287.56/x
  3. Step 3: Cross multiply
    48,351.21x = 72,476.92 × 20,287.56
  4. Step 4: Simplify right side
    48,351.21x = 1,470,379,863.12
  5. Step 5: Solve for x
    x = 1,470,379,863.12/48,351.21
  6. Step 6: Final answer
    x = 30,410.40

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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.