Home / 36,442.15-50,289.94-20,531.72

Finding the Fourth Proportional to 36,442.15, 50,289.94 and 20,531.72

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Solution

The fourth proportional to 36,442.15, 50,289.94 and 20,531.72 is: 28,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,442.15 : 50,289.94 = 20,531.72 : x
  2. Step 2: Convert to fraction form
    36,442.15/50,289.94 = 20,531.72/x
  3. Step 3: Cross multiply
    36,442.15x = 50,289.94 × 20,531.72
  4. Step 4: Simplify right side
    36,442.15x = 1,032,538,966.90
  5. Step 5: Solve for x
    x = 1,032,538,966.90/36,442.15
  6. Step 6: Final answer
    x = 28,333.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.