Home / 39,871.08-55,022.64-22,876.68

Finding the Fourth Proportional to 39,871.08, 55,022.64 and 22,876.68

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Solution

The fourth proportional to 39,871.08, 55,022.64 and 22,876.68 is: 31,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.08 : 55,022.64 = 22,876.68 : x
  2. Step 2: Convert to fraction form
    39,871.08/55,022.64 = 22,876.68/x
  3. Step 3: Cross multiply
    39,871.08x = 55,022.64 × 22,876.68
  4. Step 4: Simplify right side
    39,871.08x = 1,258,735,328.04
  5. Step 5: Solve for x
    x = 1,258,735,328.04/39,871.08
  6. Step 6: Final answer
    x = 31,570.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.