Home / 38,624.04-57,944.16-12,331.44

Finding the Fourth Proportional to 38,624.04, 57,944.16 and 12,331.44

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Solution

The fourth proportional to 38,624.04, 57,944.16 and 12,331.44 is: 18,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,624.04 : 57,944.16 = 12,331.44 : x
  2. Step 2: Convert to fraction form
    38,624.04/57,944.16 = 12,331.44/x
  3. Step 3: Cross multiply
    38,624.04x = 57,944.16 × 12,331.44
  4. Step 4: Simplify right side
    38,624.04x = 714,534,932.39
  5. Step 5: Solve for x
    x = 714,534,932.39/38,624.04
  6. Step 6: Final answer
    x = 18,499.75

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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.