Home / 43,745.60-65,618.40-38,734.40

Finding the Fourth Proportional to 43,745.60, 65,618.40 and 38,734.40

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Solution

The fourth proportional to 43,745.60, 65,618.40 and 38,734.40 is: 58,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,745.60 : 65,618.40 = 38,734.40 : x
  2. Step 2: Convert to fraction form
    43,745.60/65,618.40 = 38,734.40/x
  3. Step 3: Cross multiply
    43,745.60x = 65,618.40 × 38,734.40
  4. Step 4: Simplify right side
    43,745.60x = 2,541,689,352.96
  5. Step 5: Solve for x
    x = 2,541,689,352.96/43,745.60
  6. Step 6: Final answer
    x = 58,101.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.