Home / 37,656.09-51,949.85-21,729.24

Finding the Fourth Proportional to 37,656.09, 51,949.85 and 21,729.24

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Solution

The fourth proportional to 37,656.09, 51,949.85 and 21,729.24 is: 29,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.09 : 51,949.85 = 21,729.24 : x
  2. Step 2: Convert to fraction form
    37,656.09/51,949.85 = 21,729.24/x
  3. Step 3: Cross multiply
    37,656.09x = 51,949.85 × 21,729.24
  4. Step 4: Simplify right side
    37,656.09x = 1,128,830,649.97
  5. Step 5: Solve for x
    x = 1,128,830,649.97/37,656.09
  6. Step 6: Final answer
    x = 29,977.37

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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.