Home / 48,381.21-72,563.58-12,843.05

Finding the Fourth Proportional to 48,381.21, 72,563.58 and 12,843.05

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Solution

The fourth proportional to 48,381.21, 72,563.58 and 12,843.05 is: 19,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.21 : 72,563.58 = 12,843.05 : x
  2. Step 2: Convert to fraction form
    48,381.21/72,563.58 = 12,843.05/x
  3. Step 3: Cross multiply
    48,381.21x = 72,563.58 × 12,843.05
  4. Step 4: Simplify right side
    48,381.21x = 931,937,323.30
  5. Step 5: Solve for x
    x = 931,937,323.30/48,381.21
  6. Step 6: Final answer
    x = 19,262.38

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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.