Home / 40,276.85-60,415.88-13,982.42

Finding the Fourth Proportional to 40,276.85, 60,415.88 and 13,982.42

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Solution

The fourth proportional to 40,276.85, 60,415.88 and 13,982.42 is: 20,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.85 : 60,415.88 = 13,982.42 : x
  2. Step 2: Convert to fraction form
    40,276.85/60,415.88 = 13,982.42/x
  3. Step 3: Cross multiply
    40,276.85x = 60,415.88 × 13,982.42
  4. Step 4: Simplify right side
    40,276.85x = 844,760,289.96
  5. Step 5: Solve for x
    x = 844,760,289.96/40,276.85
  6. Step 6: Final answer
    x = 20,973.84

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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.