Home / 43,612.16-65,422.22-14,022.68

Finding the Fourth Proportional to 43,612.16, 65,422.22 and 14,022.68

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Solution

The fourth proportional to 43,612.16, 65,422.22 and 14,022.68 is: 21,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,612.16 : 65,422.22 = 14,022.68 : x
  2. Step 2: Convert to fraction form
    43,612.16/65,422.22 = 14,022.68/x
  3. Step 3: Cross multiply
    43,612.16x = 65,422.22 × 14,022.68
  4. Step 4: Simplify right side
    43,612.16x = 917,394,855.95
  5. Step 5: Solve for x
    x = 917,394,855.95/43,612.16
  6. Step 6: Final answer
    x = 21,035.30

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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.