Home / 53,630.64-80,443.44-18,089.64

Finding the Fourth Proportional to 53,630.64, 80,443.44 and 18,089.64

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Solution

The fourth proportional to 53,630.64, 80,443.44 and 18,089.64 is: 27,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,630.64 : 80,443.44 = 18,089.64 : x
  2. Step 2: Convert to fraction form
    53,630.64/80,443.44 = 18,089.64/x
  3. Step 3: Cross multiply
    53,630.64x = 80,443.44 × 18,089.64
  4. Step 4: Simplify right side
    53,630.64x = 1,455,192,869.96
  5. Step 5: Solve for x
    x = 1,455,192,869.96/53,630.64
  6. Step 6: Final answer
    x = 27,133.61

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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.