Home / 39,862.84-55,009.54-22,869.88

Finding the Fourth Proportional to 39,862.84, 55,009.54 and 22,869.88

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Solution

The fourth proportional to 39,862.84, 55,009.54 and 22,869.88 is: 31,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.84 : 55,009.54 = 22,869.88 : x
  2. Step 2: Convert to fraction form
    39,862.84/55,009.54 = 22,869.88/x
  3. Step 3: Cross multiply
    39,862.84x = 55,009.54 × 22,869.88
  4. Step 4: Simplify right side
    39,862.84x = 1,258,061,578.66
  5. Step 5: Solve for x
    x = 1,258,061,578.66/39,862.84
  6. Step 6: Final answer
    x = 31,559.76

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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.