Home / 30,543.08-45,815.83-14,528.77

Finding the Fourth Proportional to 30,543.08, 45,815.83 and 14,528.77

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Solution

The fourth proportional to 30,543.08, 45,815.83 and 14,528.77 is: 21,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543.08 : 45,815.83 = 14,528.77 : x
  2. Step 2: Convert to fraction form
    30,543.08/45,815.83 = 14,528.77/x
  3. Step 3: Cross multiply
    30,543.08x = 45,815.83 × 14,528.77
  4. Step 4: Simplify right side
    30,543.08x = 665,647,505.57
  5. Step 5: Solve for x
    x = 665,647,505.57/30,543.08
  6. Step 6: Final answer
    x = 21,793.73

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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.