Home / 33,243.52-45,875.80-18,135.96

Finding the Fourth Proportional to 33,243.52, 45,875.80 and 18,135.96

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Solution

The fourth proportional to 33,243.52, 45,875.80 and 18,135.96 is: 25,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.52 : 45,875.80 = 18,135.96 : x
  2. Step 2: Convert to fraction form
    33,243.52/45,875.80 = 18,135.96/x
  3. Step 3: Cross multiply
    33,243.52x = 45,875.80 × 18,135.96
  4. Step 4: Simplify right side
    33,243.52x = 832,001,673.77
  5. Step 5: Solve for x
    x = 832,001,673.77/33,243.52
  6. Step 6: Final answer
    x = 25,027.48

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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.