Home / 53,530.98-80,305.59-18,462.42

Finding the Fourth Proportional to 53,530.98, 80,305.59 and 18,462.42

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Solution

The fourth proportional to 53,530.98, 80,305.59 and 18,462.42 is: 27,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,530.98 : 80,305.59 = 18,462.42 : x
  2. Step 2: Convert to fraction form
    53,530.98/80,305.59 = 18,462.42/x
  3. Step 3: Cross multiply
    53,530.98x = 80,305.59 × 18,462.42
  4. Step 4: Simplify right side
    53,530.98x = 1,482,635,530.93
  5. Step 5: Solve for x
    x = 1,482,635,530.93/53,530.98
  6. Step 6: Final answer
    x = 27,696.78

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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.