Home / 36,043-49,738.80-20,127.68

Finding the Fourth Proportional to 36,043, 49,738.80 and 20,127.68

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Solution

The fourth proportional to 36,043, 49,738.80 and 20,127.68 is: 27,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,043 : 49,738.80 = 20,127.68 : x
  2. Step 2: Convert to fraction form
    36,043/49,738.80 = 20,127.68/x
  3. Step 3: Cross multiply
    36,043x = 49,738.80 × 20,127.68
  4. Step 4: Simplify right side
    36,043x = 1,001,126,649.98
  5. Step 5: Solve for x
    x = 1,001,126,649.98/36,043
  6. Step 6: Final answer
    x = 27,775.90

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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.