Home / 36,749.16-50,711.84-21,638.34

Finding the Fourth Proportional to 36,749.16, 50,711.84 and 21,638.34

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Solution

The fourth proportional to 36,749.16, 50,711.84 and 21,638.34 is: 29,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749.16 : 50,711.84 = 21,638.34 : x
  2. Step 2: Convert to fraction form
    36,749.16/50,711.84 = 21,638.34/x
  3. Step 3: Cross multiply
    36,749.16x = 50,711.84 × 21,638.34
  4. Step 4: Simplify right side
    36,749.16x = 1,097,320,008.90
  5. Step 5: Solve for x
    x = 1,097,320,008.90/36,749.16
  6. Step 6: Final answer
    x = 29,859.73

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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.