Home / 36,779.32-50,765.88-21,680.74

Finding the Fourth Proportional to 36,779.32, 50,765.88 and 21,680.74

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Solution

The fourth proportional to 36,779.32, 50,765.88 and 21,680.74 is: 29,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.32 : 50,765.88 = 21,680.74 : x
  2. Step 2: Convert to fraction form
    36,779.32/50,765.88 = 21,680.74/x
  3. Step 3: Cross multiply
    36,779.32x = 50,765.88 × 21,680.74
  4. Step 4: Simplify right side
    36,779.32x = 1,100,641,845.15
  5. Step 5: Solve for x
    x = 1,100,641,845.15/36,779.32
  6. Step 6: Final answer
    x = 29,925.56

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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.