Home / 48,485.60-72,714.24-18,896.80

Finding the Fourth Proportional to 48,485.60, 72,714.24 and 18,896.80

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Solution

The fourth proportional to 48,485.60, 72,714.24 and 18,896.80 is: 28,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,485.60 : 72,714.24 = 18,896.80 : x
  2. Step 2: Convert to fraction form
    48,485.60/72,714.24 = 18,896.80/x
  3. Step 3: Cross multiply
    48,485.60x = 72,714.24 × 18,896.80
  4. Step 4: Simplify right side
    48,485.60x = 1,374,066,450.43
  5. Step 5: Solve for x
    x = 1,374,066,450.43/48,485.60
  6. Step 6: Final answer
    x = 28,339.68

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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.