Home / 43,772.82-65,669.63-14,190.68

Finding the Fourth Proportional to 43,772.82, 65,669.63 and 14,190.68

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Solution

The fourth proportional to 43,772.82, 65,669.63 and 14,190.68 is: 21,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,772.82 : 65,669.63 = 14,190.68 : x
  2. Step 2: Convert to fraction form
    43,772.82/65,669.63 = 14,190.68/x
  3. Step 3: Cross multiply
    43,772.82x = 65,669.63 × 14,190.68
  4. Step 4: Simplify right side
    43,772.82x = 931,896,305.75
  5. Step 5: Solve for x
    x = 931,896,305.75/43,772.82
  6. Step 6: Final answer
    x = 21,289.38

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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.