Home / 53,539.52-80,322.04-18,479.48

Finding the Fourth Proportional to 53,539.52, 80,322.04 and 18,479.48

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Solution

The fourth proportional to 53,539.52, 80,322.04 and 18,479.48 is: 27,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,539.52 : 80,322.04 = 18,479.48 : x
  2. Step 2: Convert to fraction form
    53,539.52/80,322.04 = 18,479.48/x
  3. Step 3: Cross multiply
    53,539.52x = 80,322.04 × 18,479.48
  4. Step 4: Simplify right side
    53,539.52x = 1,484,309,531.74
  5. Step 5: Solve for x
    x = 1,484,309,531.74/53,539.52
  6. Step 6: Final answer
    x = 27,723.62

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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.