Home / 57,632.29-86,448.43-18,217.08

Finding the Fourth Proportional to 57,632.29, 86,448.43 and 18,217.08

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Solution

The fourth proportional to 57,632.29, 86,448.43 and 18,217.08 is: 27,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632.29 : 86,448.43 = 18,217.08 : x
  2. Step 2: Convert to fraction form
    57,632.29/86,448.43 = 18,217.08/x
  3. Step 3: Cross multiply
    57,632.29x = 86,448.43 × 18,217.08
  4. Step 4: Simplify right side
    57,632.29x = 1,574,837,965.18
  5. Step 5: Solve for x
    x = 1,574,837,965.18/57,632.29
  6. Step 6: Final answer
    x = 27,325.62

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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.