Home / 57,637.40-86,468.89-17,661.92

Finding the Fourth Proportional to 57,637.40, 86,468.89 and 17,661.92

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Solution

The fourth proportional to 57,637.40, 86,468.89 and 17,661.92 is: 26,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,637.40 : 86,468.89 = 17,661.92 : x
  2. Step 2: Convert to fraction form
    57,637.40/86,468.89 = 17,661.92/x
  3. Step 3: Cross multiply
    57,637.40x = 86,468.89 × 17,661.92
  4. Step 4: Simplify right side
    57,637.40x = 1,527,206,953.54
  5. Step 5: Solve for x
    x = 1,527,206,953.54/57,637.40
  6. Step 6: Final answer
    x = 26,496.81

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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.