Home / 43,981.08-65,983.88-14,400.80

Finding the Fourth Proportional to 43,981.08, 65,983.88 and 14,400.80

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Solution

The fourth proportional to 43,981.08, 65,983.88 and 14,400.80 is: 21,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981.08 : 65,983.88 = 14,400.80 : x
  2. Step 2: Convert to fraction form
    43,981.08/65,983.88 = 14,400.80/x
  3. Step 3: Cross multiply
    43,981.08x = 65,983.88 × 14,400.80
  4. Step 4: Simplify right side
    43,981.08x = 950,220,659.10
  5. Step 5: Solve for x
    x = 950,220,659.10/43,981.08
  6. Step 6: Final answer
    x = 21,605.21

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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.