Home / 52,641.70-72,650.55-28,771.96

Finding the Fourth Proportional to 52,641.70, 72,650.55 and 28,771.96

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Solution

The fourth proportional to 52,641.70, 72,650.55 and 28,771.96 is: 39,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,641.70 : 72,650.55 = 28,771.96 : x
  2. Step 2: Convert to fraction form
    52,641.70/72,650.55 = 28,771.96/x
  3. Step 3: Cross multiply
    52,641.70x = 72,650.55 × 28,771.96
  4. Step 4: Simplify right side
    52,641.70x = 2,090,298,538.30
  5. Step 5: Solve for x
    x = 2,090,298,538.30/52,641.70
  6. Step 6: Final answer
    x = 39,708.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.