Home / 40,003.75-60,015.35-12,301.75

Finding the Fourth Proportional to 40,003.75, 60,015.35 and 12,301.75

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Solution

The fourth proportional to 40,003.75, 60,015.35 and 12,301.75 is: 18,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.75 : 60,015.35 = 12,301.75 : x
  2. Step 2: Convert to fraction form
    40,003.75/60,015.35 = 12,301.75/x
  3. Step 3: Cross multiply
    40,003.75x = 60,015.35 × 12,301.75
  4. Step 4: Simplify right side
    40,003.75x = 738,293,831.86
  5. Step 5: Solve for x
    x = 738,293,831.86/40,003.75
  6. Step 6: Final answer
    x = 18,455.62

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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.