Home / 42,464.32-63,622.44-25,789.12

Finding the Fourth Proportional to 42,464.32, 63,622.44 and 25,789.12

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Solution

The fourth proportional to 42,464.32, 63,622.44 and 25,789.12 is: 38,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,464.32 : 63,622.44 = 25,789.12 : x
  2. Step 2: Convert to fraction form
    42,464.32/63,622.44 = 25,789.12/x
  3. Step 3: Cross multiply
    42,464.32x = 63,622.44 × 25,789.12
  4. Step 4: Simplify right side
    42,464.32x = 1,640,766,739.85
  5. Step 5: Solve for x
    x = 1,640,766,739.85/42,464.32
  6. Step 6: Final answer
    x = 38,638.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.