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Finding the Fourth Proportional to 56,452.60, 84,692.96 and 39,845.04

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Solution

The fourth proportional to 56,452.60, 84,692.96 and 39,845.04 is: 59,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,452.60 : 84,692.96 = 39,845.04 : x
  2. Step 2: Convert to fraction form
    56,452.60/84,692.96 = 39,845.04/x
  3. Step 3: Cross multiply
    56,452.60x = 84,692.96 × 39,845.04
  4. Step 4: Simplify right side
    56,452.60x = 3,374,594,378.92
  5. Step 5: Solve for x
    x = 3,374,594,378.92/56,452.60
  6. Step 6: Final answer
    x = 59,777.48

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1.5x scale

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.