Home / 45,697.88-62,922.87-40,000.75

Finding the Fourth Proportional to 45,697.88, 62,922.87 and 40,000.75

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Solution

The fourth proportional to 45,697.88, 62,922.87 and 40,000.75 is: 55,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,697.88 : 62,922.87 = 40,000.75 : x
  2. Step 2: Convert to fraction form
    45,697.88/62,922.87 = 40,000.75/x
  3. Step 3: Cross multiply
    45,697.88x = 62,922.87 × 40,000.75
  4. Step 4: Simplify right side
    45,697.88x = 2,516,961,834.85
  5. Step 5: Solve for x
    x = 2,516,961,834.85/45,697.88
  6. Step 6: Final answer
    x = 55,078.30

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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.