Home / 57,936.12-79,958.55-35,288.40

Finding the Fourth Proportional to 57,936.12, 79,958.55 and 35,288.40

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Solution

The fourth proportional to 57,936.12, 79,958.55 and 35,288.40 is: 48,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,936.12 : 79,958.55 = 35,288.40 : x
  2. Step 2: Convert to fraction form
    57,936.12/79,958.55 = 35,288.40/x
  3. Step 3: Cross multiply
    57,936.12x = 79,958.55 × 35,288.40
  4. Step 4: Simplify right side
    57,936.12x = 2,821,609,295.82
  5. Step 5: Solve for x
    x = 2,821,609,295.82/57,936.12
  6. Step 6: Final answer
    x = 48,702.08

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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.