Home / 52,817.87-72,890.67-30,160.55

Finding the Fourth Proportional to 52,817.87, 72,890.67 and 30,160.55

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Solution

The fourth proportional to 52,817.87, 72,890.67 and 30,160.55 is: 41,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,817.87 : 72,890.67 = 30,160.55 : x
  2. Step 2: Convert to fraction form
    52,817.87/72,890.67 = 30,160.55/x
  3. Step 3: Cross multiply
    52,817.87x = 72,890.67 × 30,160.55
  4. Step 4: Simplify right side
    52,817.87x = 2,198,422,697.07
  5. Step 5: Solve for x
    x = 2,198,422,697.07/52,817.87
  6. Step 6: Final answer
    x = 41,622.71

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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.