Home / 54,408.80-81,613.20-31,037.60

Finding the Fourth Proportional to 54,408.80, 81,613.20 and 31,037.60

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Solution

The fourth proportional to 54,408.80, 81,613.20 and 31,037.60 is: 46,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408.80 : 81,613.20 = 31,037.60 : x
  2. Step 2: Convert to fraction form
    54,408.80/81,613.20 = 31,037.60/x
  3. Step 3: Cross multiply
    54,408.80x = 81,613.20 × 31,037.60
  4. Step 4: Simplify right side
    54,408.80x = 2,533,077,856.32
  5. Step 5: Solve for x
    x = 2,533,077,856.32/54,408.80
  6. Step 6: Final answer
    x = 46,556.40

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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.