Home / 57,171.62-78,887.52-35,935.85

Finding the Fourth Proportional to 57,171.62, 78,887.52 and 35,935.85

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Solution

The fourth proportional to 57,171.62, 78,887.52 and 35,935.85 is: 49,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,171.62 : 78,887.52 = 35,935.85 : x
  2. Step 2: Convert to fraction form
    57,171.62/78,887.52 = 35,935.85/x
  3. Step 3: Cross multiply
    57,171.62x = 78,887.52 × 35,935.85
  4. Step 4: Simplify right side
    57,171.62x = 2,834,890,282.81
  5. Step 5: Solve for x
    x = 2,834,890,282.81/57,171.62
  6. Step 6: Final answer
    x = 49,585.62

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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.