Home / 39,546.66-54,572.04-21,638.10

Finding the Fourth Proportional to 39,546.66, 54,572.04 and 21,638.10

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Solution

The fourth proportional to 39,546.66, 54,572.04 and 21,638.10 is: 29,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,546.66 : 54,572.04 = 21,638.10 : x
  2. Step 2: Convert to fraction form
    39,546.66/54,572.04 = 21,638.10/x
  3. Step 3: Cross multiply
    39,546.66x = 54,572.04 × 21,638.10
  4. Step 4: Simplify right side
    39,546.66x = 1,180,835,258.72
  5. Step 5: Solve for x
    x = 1,180,835,258.72/39,546.66
  6. Step 6: Final answer
    x = 29,859.29

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1.5x scale

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.