Home / 47,310.50-70,885.41-28,551.12

Finding the Fourth Proportional to 47,310.50, 70,885.41 and 28,551.12

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Solution

The fourth proportional to 47,310.50, 70,885.41 and 28,551.12 is: 42,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.50 : 70,885.41 = 28,551.12 : x
  2. Step 2: Convert to fraction form
    47,310.50/70,885.41 = 28,551.12/x
  3. Step 3: Cross multiply
    47,310.50x = 70,885.41 × 28,551.12
  4. Step 4: Simplify right side
    47,310.50x = 2,023,857,492.73
  5. Step 5: Solve for x
    x = 2,023,857,492.73/47,310.50
  6. Step 6: Final answer
    x = 42,778.19

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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.