Home / 36,729.90-50,686.36-21,419.24

Finding the Fourth Proportional to 36,729.90, 50,686.36 and 21,419.24

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Solution

The fourth proportional to 36,729.90, 50,686.36 and 21,419.24 is: 29,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,729.90 : 50,686.36 = 21,419.24 : x
  2. Step 2: Convert to fraction form
    36,729.90/50,686.36 = 21,419.24/x
  3. Step 3: Cross multiply
    36,729.90x = 50,686.36 × 21,419.24
  4. Step 4: Simplify right side
    36,729.90x = 1,085,663,309.57
  5. Step 5: Solve for x
    x = 1,085,663,309.57/36,729.90
  6. Step 6: Final answer
    x = 29,558.03

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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.