Home / 55,420.55-76,452.96-32,748.58

Finding the Fourth Proportional to 55,420.55, 76,452.96 and 32,748.58

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Solution

The fourth proportional to 55,420.55, 76,452.96 and 32,748.58 is: 45,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.55 : 76,452.96 = 32,748.58 : x
  2. Step 2: Convert to fraction form
    55,420.55/76,452.96 = 32,748.58/x
  3. Step 3: Cross multiply
    55,420.55x = 76,452.96 × 32,748.58
  4. Step 4: Simplify right side
    55,420.55x = 2,503,725,880.15
  5. Step 5: Solve for x
    x = 2,503,725,880.15/55,420.55
  6. Step 6: Final answer
    x = 45,176.85

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1.5x scale

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.