Home / 33,057.12-45,598.68-19,619.28

Finding the Fourth Proportional to 33,057.12, 45,598.68 and 19,619.28

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Solution

The fourth proportional to 33,057.12, 45,598.68 and 19,619.28 is: 27,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,057.12 : 45,598.68 = 19,619.28 : x
  2. Step 2: Convert to fraction form
    33,057.12/45,598.68 = 19,619.28/x
  3. Step 3: Cross multiply
    33,057.12x = 45,598.68 × 19,619.28
  4. Step 4: Simplify right side
    33,057.12x = 894,613,270.55
  5. Step 5: Solve for x
    x = 894,613,270.55/33,057.12
  6. Step 6: Final answer
    x = 27,062.65

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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.