Home / 36,447.48-54,671.18-28,139.64

Finding the Fourth Proportional to 36,447.48, 54,671.18 and 28,139.64

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Solution

The fourth proportional to 36,447.48, 54,671.18 and 28,139.64 is: 42,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,447.48 : 54,671.18 = 28,139.64 : x
  2. Step 2: Convert to fraction form
    36,447.48/54,671.18 = 28,139.64/x
  3. Step 3: Cross multiply
    36,447.48x = 54,671.18 × 28,139.64
  4. Step 4: Simplify right side
    36,447.48x = 1,538,427,323.58
  5. Step 5: Solve for x
    x = 1,538,427,323.58/36,447.48
  6. Step 6: Final answer
    x = 42,209.43

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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.