Home / 38,247.20-52,779.42-21,252.64

Finding the Fourth Proportional to 38,247.20, 52,779.42 and 21,252.64

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Solution

The fourth proportional to 38,247.20, 52,779.42 and 21,252.64 is: 29,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.20 : 52,779.42 = 21,252.64 : x
  2. Step 2: Convert to fraction form
    38,247.20/52,779.42 = 21,252.64/x
  3. Step 3: Cross multiply
    38,247.20x = 52,779.42 × 21,252.64
  4. Step 4: Simplify right side
    38,247.20x = 1,121,702,012.67
  5. Step 5: Solve for x
    x = 1,121,702,012.67/38,247.20
  6. Step 6: Final answer
    x = 29,327.69

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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.