Home / 48,446.37-72,690.21-18,885.02

Finding the Fourth Proportional to 48,446.37, 72,690.21 and 18,885.02

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Solution

The fourth proportional to 48,446.37, 72,690.21 and 18,885.02 is: 28,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,446.37 : 72,690.21 = 18,885.02 : x
  2. Step 2: Convert to fraction form
    48,446.37/72,690.21 = 18,885.02/x
  3. Step 3: Cross multiply
    48,446.37x = 72,690.21 × 18,885.02
  4. Step 4: Simplify right side
    48,446.37x = 1,372,755,706.20
  5. Step 5: Solve for x
    x = 1,372,755,706.20/48,446.37
  6. Step 6: Final answer
    x = 28,335.57

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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.