Home / 43,109.39-64,645.24-21,748.96

Finding the Fourth Proportional to 43,109.39, 64,645.24 and 21,748.96

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Solution

The fourth proportional to 43,109.39, 64,645.24 and 21,748.96 is: 32,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,109.39 : 64,645.24 = 21,748.96 : x
  2. Step 2: Convert to fraction form
    43,109.39/64,645.24 = 21,748.96/x
  3. Step 3: Cross multiply
    43,109.39x = 64,645.24 × 21,748.96
  4. Step 4: Simplify right side
    43,109.39x = 1,405,966,919.24
  5. Step 5: Solve for x
    x = 1,405,966,919.24/43,109.39
  6. Step 6: Final answer
    x = 32,613.93

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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.