Home / 43,981.92-65,986.85-14,393.03

Finding the Fourth Proportional to 43,981.92, 65,986.85 and 14,393.03

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Solution

The fourth proportional to 43,981.92, 65,986.85 and 14,393.03 is: 21,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981.92 : 65,986.85 = 14,393.03 : x
  2. Step 2: Convert to fraction form
    43,981.92/65,986.85 = 14,393.03/x
  3. Step 3: Cross multiply
    43,981.92x = 65,986.85 × 14,393.03
  4. Step 4: Simplify right side
    43,981.92x = 949,750,417.70
  5. Step 5: Solve for x
    x = 949,750,417.70/43,981.92
  6. Step 6: Final answer
    x = 21,594.11

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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.