Home / 57,435.30-85,958.55-50,436.90

Finding the Fourth Proportional to 57,435.30, 85,958.55 and 50,436.90

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Solution

The fourth proportional to 57,435.30, 85,958.55 and 50,436.90 is: 75,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435.30 : 85,958.55 = 50,436.90 : x
  2. Step 2: Convert to fraction form
    57,435.30/85,958.55 = 50,436.90/x
  3. Step 3: Cross multiply
    57,435.30x = 85,958.55 × 50,436.90
  4. Step 4: Simplify right side
    57,435.30x = 4,335,482,790.50
  5. Step 5: Solve for x
    x = 4,335,482,790.50/57,435.30
  6. Step 6: Final answer
    x = 75,484.64

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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.