Home / 54,431.33-81,597.78-19,362.78

Finding the Fourth Proportional to 54,431.33, 81,597.78 and 19,362.78

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Solution

The fourth proportional to 54,431.33, 81,597.78 and 19,362.78 is: 29,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.33 : 81,597.78 = 19,362.78 : x
  2. Step 2: Convert to fraction form
    54,431.33/81,597.78 = 19,362.78/x
  3. Step 3: Cross multiply
    54,431.33x = 81,597.78 × 19,362.78
  4. Step 4: Simplify right side
    54,431.33x = 1,579,959,862.63
  5. Step 5: Solve for x
    x = 1,579,959,862.63/54,431.33
  6. Step 6: Final answer
    x = 29,026.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.