Home / 45,249.60-67,874.40-12,417.60

Finding the Fourth Proportional to 45,249.60, 67,874.40 and 12,417.60

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Solution

The fourth proportional to 45,249.60, 67,874.40 and 12,417.60 is: 18,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249.60 : 67,874.40 = 12,417.60 : x
  2. Step 2: Convert to fraction form
    45,249.60/67,874.40 = 12,417.60/x
  3. Step 3: Cross multiply
    45,249.60x = 67,874.40 × 12,417.60
  4. Step 4: Simplify right side
    45,249.60x = 842,837,149.44
  5. Step 5: Solve for x
    x = 842,837,149.44/45,249.60
  6. Step 6: Final answer
    x = 18,626.40

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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.