Home / 32,769.12-45,221.28-17,865.12

Finding the Fourth Proportional to 32,769.12, 45,221.28 and 17,865.12

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Solution

The fourth proportional to 32,769.12, 45,221.28 and 17,865.12 is: 24,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,769.12 : 45,221.28 = 17,865.12 : x
  2. Step 2: Convert to fraction form
    32,769.12/45,221.28 = 17,865.12/x
  3. Step 3: Cross multiply
    32,769.12x = 45,221.28 × 17,865.12
  4. Step 4: Simplify right side
    32,769.12x = 807,883,593.75
  5. Step 5: Solve for x
    x = 807,883,593.75/32,769.12
  6. Step 6: Final answer
    x = 24,653.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.