Home / 40,514.85-55,909.04-25,415.64

Finding the Fourth Proportional to 40,514.85, 55,909.04 and 25,415.64

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Solution

The fourth proportional to 40,514.85, 55,909.04 and 25,415.64 is: 35,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,514.85 : 55,909.04 = 25,415.64 : x
  2. Step 2: Convert to fraction form
    40,514.85/55,909.04 = 25,415.64/x
  3. Step 3: Cross multiply
    40,514.85x = 55,909.04 × 25,415.64
  4. Step 4: Simplify right side
    40,514.85x = 1,420,963,906.31
  5. Step 5: Solve for x
    x = 1,420,963,906.31/40,514.85
  6. Step 6: Final answer
    x = 35,072.67

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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.