Home / 53,498.88-80,231.04-18,429.12

Finding the Fourth Proportional to 53,498.88, 80,231.04 and 18,429.12

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Solution

The fourth proportional to 53,498.88, 80,231.04 and 18,429.12 is: 27,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,498.88 : 80,231.04 = 18,429.12 : x
  2. Step 2: Convert to fraction form
    53,498.88/80,231.04 = 18,429.12/x
  3. Step 3: Cross multiply
    53,498.88x = 80,231.04 × 18,429.12
  4. Step 4: Simplify right side
    53,498.88x = 1,478,587,463.88
  5. Step 5: Solve for x
    x = 1,478,587,463.88/53,498.88
  6. Step 6: Final answer
    x = 27,637.73

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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.