Home / 53,565.71-80,370.43-18,529.97

Finding the Fourth Proportional to 53,565.71, 80,370.43 and 18,529.97

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Solution

The fourth proportional to 53,565.71, 80,370.43 and 18,529.97 is: 27,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,565.71 : 80,370.43 = 18,529.97 : x
  2. Step 2: Convert to fraction form
    53,565.71/80,370.43 = 18,529.97/x
  3. Step 3: Cross multiply
    53,565.71x = 80,370.43 × 18,529.97
  4. Step 4: Simplify right side
    53,565.71x = 1,489,261,208.61
  5. Step 5: Solve for x
    x = 1,489,261,208.61/53,565.71
  6. Step 6: Final answer
    x = 27,802.51

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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.