Home / 35,577.09-49,092.21-19,661.67

Finding the Fourth Proportional to 35,577.09, 49,092.21 and 19,661.67

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Solution

The fourth proportional to 35,577.09, 49,092.21 and 19,661.67 is: 27,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,577.09 : 49,092.21 = 19,661.67 : x
  2. Step 2: Convert to fraction form
    35,577.09/49,092.21 = 19,661.67/x
  3. Step 3: Cross multiply
    35,577.09x = 49,092.21 × 19,661.67
  4. Step 4: Simplify right side
    35,577.09x = 965,234,832.59
  5. Step 5: Solve for x
    x = 965,234,832.59/35,577.09
  6. Step 6: Final answer
    x = 27,130.80

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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.