Home / 38,400.24-52,995.48-21,634.80

Finding the Fourth Proportional to 38,400.24, 52,995.48 and 21,634.80

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Solution

The fourth proportional to 38,400.24, 52,995.48 and 21,634.80 is: 29,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.24 : 52,995.48 = 21,634.80 : x
  2. Step 2: Convert to fraction form
    38,400.24/52,995.48 = 21,634.80/x
  3. Step 3: Cross multiply
    38,400.24x = 52,995.48 × 21,634.80
  4. Step 4: Simplify right side
    38,400.24x = 1,146,546,610.70
  5. Step 5: Solve for x
    x = 1,146,546,610.70/38,400.24
  6. Step 6: Final answer
    x = 29,857.80

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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.