Home / 39,864.34-55,013.07-22,869.33

Finding the Fourth Proportional to 39,864.34, 55,013.07 and 22,869.33

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Solution

The fourth proportional to 39,864.34, 55,013.07 and 22,869.33 is: 31,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864.34 : 55,013.07 = 22,869.33 : x
  2. Step 2: Convert to fraction form
    39,864.34/55,013.07 = 22,869.33/x
  3. Step 3: Cross multiply
    39,864.34x = 55,013.07 × 22,869.33
  4. Step 4: Simplify right side
    39,864.34x = 1,258,112,052.14
  5. Step 5: Solve for x
    x = 1,258,112,052.14/39,864.34
  6. Step 6: Final answer
    x = 31,559.84

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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.