Home / 43,529.12-65,291.84-13,946.30

Finding the Fourth Proportional to 43,529.12, 65,291.84 and 13,946.30

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Solution

The fourth proportional to 43,529.12, 65,291.84 and 13,946.30 is: 20,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,529.12 : 65,291.84 = 13,946.30 : x
  2. Step 2: Convert to fraction form
    43,529.12/65,291.84 = 13,946.30/x
  3. Step 3: Cross multiply
    43,529.12x = 65,291.84 × 13,946.30
  4. Step 4: Simplify right side
    43,529.12x = 910,579,296.60
  5. Step 5: Solve for x
    x = 910,579,296.60/43,529.12
  6. Step 6: Final answer
    x = 20,918.86

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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.