Home / 53,553.12-80,345.52-18,496.32

Finding the Fourth Proportional to 53,553.12, 80,345.52 and 18,496.32

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Solution

The fourth proportional to 53,553.12, 80,345.52 and 18,496.32 is: 27,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.12 : 80,345.52 = 18,496.32 : x
  2. Step 2: Convert to fraction form
    53,553.12/80,345.52 = 18,496.32/x
  3. Step 3: Cross multiply
    53,553.12x = 80,345.52 × 18,496.32
  4. Step 4: Simplify right side
    53,553.12x = 1,486,096,448.49
  5. Step 5: Solve for x
    x = 1,486,096,448.49/53,553.12
  6. Step 6: Final answer
    x = 27,749.95

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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.