Home / 36,307.40-50,109.14-20,392.76

Finding the Fourth Proportional to 36,307.40, 50,109.14 and 20,392.76

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Solution

The fourth proportional to 36,307.40, 50,109.14 and 20,392.76 is: 28,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,307.40 : 50,109.14 = 20,392.76 : x
  2. Step 2: Convert to fraction form
    36,307.40/50,109.14 = 20,392.76/x
  3. Step 3: Cross multiply
    36,307.40x = 50,109.14 × 20,392.76
  4. Step 4: Simplify right side
    36,307.40x = 1,021,863,665.83
  5. Step 5: Solve for x
    x = 1,021,863,665.83/36,307.40
  6. Step 6: Final answer
    x = 28,144.78

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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.