Home / 40,638.24-60,975.48-25,843.20

Finding the Fourth Proportional to 40,638.24, 60,975.48 and 25,843.20

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Solution

The fourth proportional to 40,638.24, 60,975.48 and 25,843.20 is: 38,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.24 : 60,975.48 = 25,843.20 : x
  2. Step 2: Convert to fraction form
    40,638.24/60,975.48 = 25,843.20/x
  3. Step 3: Cross multiply
    40,638.24x = 60,975.48 × 25,843.20
  4. Step 4: Simplify right side
    40,638.24x = 1,575,801,524.74
  5. Step 5: Solve for x
    x = 1,575,801,524.74/40,638.24
  6. Step 6: Final answer
    x = 38,776.32

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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.