Home / 36,443.45-54,665.19-28,135.60

Finding the Fourth Proportional to 36,443.45, 54,665.19 and 28,135.60

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Solution

The fourth proportional to 36,443.45, 54,665.19 and 28,135.60 is: 42,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,443.45 : 54,665.19 = 28,135.60 : x
  2. Step 2: Convert to fraction form
    36,443.45/54,665.19 = 28,135.60/x
  3. Step 3: Cross multiply
    36,443.45x = 54,665.19 × 28,135.60
  4. Step 4: Simplify right side
    36,443.45x = 1,538,037,783.10
  5. Step 5: Solve for x
    x = 1,538,037,783.10/36,443.45
  6. Step 6: Final answer
    x = 42,203.40

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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.