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Finding the Fourth Proportional to 52,690.43, 72,692.43 and 32,512.25

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Solution

The fourth proportional to 52,690.43, 72,692.43 and 32,512.25 is: 44,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,690.43 : 72,692.43 = 32,512.25 : x
  2. Step 2: Convert to fraction form
    52,690.43/72,692.43 = 32,512.25/x
  3. Step 3: Cross multiply
    52,690.43x = 72,692.43 × 32,512.25
  4. Step 4: Simplify right side
    52,690.43x = 2,363,394,457.27
  5. Step 5: Solve for x
    x = 2,363,394,457.27/52,690.43
  6. Step 6: Final answer
    x = 44,854.34

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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.