Home / 38,249.20-52,782.18-21,254.64

Finding the Fourth Proportional to 38,249.20, 52,782.18 and 21,254.64

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Solution

The fourth proportional to 38,249.20, 52,782.18 and 21,254.64 is: 29,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249.20 : 52,782.18 = 21,254.64 : x
  2. Step 2: Convert to fraction form
    38,249.20/52,782.18 = 21,254.64/x
  3. Step 3: Cross multiply
    38,249.20x = 52,782.18 × 21,254.64
  4. Step 4: Simplify right side
    38,249.20x = 1,121,866,234.32
  5. Step 5: Solve for x
    x = 1,121,866,234.32/38,249.20
  6. Step 6: Final answer
    x = 29,330.45

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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.