Home / 45,779.88-63,169.12-25,637.60

Finding the Fourth Proportional to 45,779.88, 63,169.12 and 25,637.60

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Solution

The fourth proportional to 45,779.88, 63,169.12 and 25,637.60 is: 35,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,779.88 : 63,169.12 = 25,637.60 : x
  2. Step 2: Convert to fraction form
    45,779.88/63,169.12 = 25,637.60/x
  3. Step 3: Cross multiply
    45,779.88x = 63,169.12 × 25,637.60
  4. Step 4: Simplify right side
    45,779.88x = 1,619,504,630.91
  5. Step 5: Solve for x
    x = 1,619,504,630.91/45,779.88
  6. Step 6: Final answer
    x = 35,375.90

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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.