Home / 39,258.28-54,175.96-21,352.90

Finding the Fourth Proportional to 39,258.28, 54,175.96 and 21,352.90

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Solution

The fourth proportional to 39,258.28, 54,175.96 and 21,352.90 is: 29,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,258.28 : 54,175.96 = 21,352.90 : x
  2. Step 2: Convert to fraction form
    39,258.28/54,175.96 = 21,352.90/x
  3. Step 3: Cross multiply
    39,258.28x = 54,175.96 × 21,352.90
  4. Step 4: Simplify right side
    39,258.28x = 1,156,813,856.28
  5. Step 5: Solve for x
    x = 1,156,813,856.28/39,258.28
  6. Step 6: Final answer
    x = 29,466.75

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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.