Home / 39,721.60-54,820.67-22,954.60

Finding the Fourth Proportional to 39,721.60, 54,820.67 and 22,954.60

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Solution

The fourth proportional to 39,721.60, 54,820.67 and 22,954.60 is: 31,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.60 : 54,820.67 = 22,954.60 : x
  2. Step 2: Convert to fraction form
    39,721.60/54,820.67 = 22,954.60/x
  3. Step 3: Cross multiply
    39,721.60x = 54,820.67 × 22,954.60
  4. Step 4: Simplify right side
    39,721.60x = 1,258,386,551.58
  5. Step 5: Solve for x
    x = 1,258,386,551.58/39,721.60
  6. Step 6: Final answer
    x = 31,680.16

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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.