Home / 33,129.52-45,703.38-19,693.24

Finding the Fourth Proportional to 33,129.52, 45,703.38 and 19,693.24

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Solution

The fourth proportional to 33,129.52, 45,703.38 and 19,693.24 is: 27,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.52 : 45,703.38 = 19,693.24 : x
  2. Step 2: Convert to fraction form
    33,129.52/45,703.38 = 19,693.24/x
  3. Step 3: Cross multiply
    33,129.52x = 45,703.38 × 19,693.24
  4. Step 4: Simplify right side
    33,129.52x = 900,047,631.15
  5. Step 5: Solve for x
    x = 900,047,631.15/33,129.52
  6. Step 6: Final answer
    x = 27,167.54

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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.