Home / 36,447.54-54,671.31-20,854.32

Finding the Fourth Proportional to 36,447.54, 54,671.31 and 20,854.32

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Solution

The fourth proportional to 36,447.54, 54,671.31 and 20,854.32 is: 31,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,447.54 : 54,671.31 = 20,854.32 : x
  2. Step 2: Convert to fraction form
    36,447.54/54,671.31 = 20,854.32/x
  3. Step 3: Cross multiply
    36,447.54x = 54,671.31 × 20,854.32
  4. Step 4: Simplify right side
    36,447.54x = 1,140,132,993.56
  5. Step 5: Solve for x
    x = 1,140,132,993.56/36,447.54
  6. Step 6: Final answer
    x = 31,281.48

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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.