Home / 40,288.92-60,433.32-13,993.89

Finding the Fourth Proportional to 40,288.92, 60,433.32 and 13,993.89

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Solution

The fourth proportional to 40,288.92, 60,433.32 and 13,993.89 is: 20,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.92 : 60,433.32 = 13,993.89 : x
  2. Step 2: Convert to fraction form
    40,288.92/60,433.32 = 13,993.89/x
  3. Step 3: Cross multiply
    40,288.92x = 60,433.32 × 13,993.89
  4. Step 4: Simplify right side
    40,288.92x = 845,697,232.41
  5. Step 5: Solve for x
    x = 845,697,232.41/40,288.92
  6. Step 6: Final answer
    x = 20,990.81

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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.