Home / 57,438.48-79,269.12-33,567.78

Finding the Fourth Proportional to 57,438.48, 79,269.12 and 33,567.78

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Solution

The fourth proportional to 57,438.48, 79,269.12 and 33,567.78 is: 46,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.48 : 79,269.12 = 33,567.78 : x
  2. Step 2: Convert to fraction form
    57,438.48/79,269.12 = 33,567.78/x
  3. Step 3: Cross multiply
    57,438.48x = 79,269.12 × 33,567.78
  4. Step 4: Simplify right side
    57,438.48x = 2,660,888,380.95
  5. Step 5: Solve for x
    x = 2,660,888,380.95/57,438.48
  6. Step 6: Final answer
    x = 46,325.88

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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.