Home / 43,821.19-65,735.43-14,238.37

Finding the Fourth Proportional to 43,821.19, 65,735.43 and 14,238.37

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Solution

The fourth proportional to 43,821.19, 65,735.43 and 14,238.37 is: 21,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,821.19 : 65,735.43 = 14,238.37 : x
  2. Step 2: Convert to fraction form
    43,821.19/65,735.43 = 14,238.37/x
  3. Step 3: Cross multiply
    43,821.19x = 65,735.43 × 14,238.37
  4. Step 4: Simplify right side
    43,821.19x = 935,965,374.45
  5. Step 5: Solve for x
    x = 935,965,374.45/43,821.19
  6. Step 6: Final answer
    x = 21,358.74

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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.