Home / 39,863.21-55,013.60-22,867.34

Finding the Fourth Proportional to 39,863.21, 55,013.60 and 22,867.34

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Solution

The fourth proportional to 39,863.21, 55,013.60 and 22,867.34 is: 31,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,863.21 : 55,013.60 = 22,867.34 : x
  2. Step 2: Convert to fraction form
    39,863.21/55,013.60 = 22,867.34/x
  3. Step 3: Cross multiply
    39,863.21x = 55,013.60 × 22,867.34
  4. Step 4: Simplify right side
    39,863.21x = 1,258,014,695.82
  5. Step 5: Solve for x
    x = 1,258,014,695.82/39,863.21
  6. Step 6: Final answer
    x = 31,558.29

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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.